Proc Natl Acad Sci U S A January 2020 PMID 31888998

Fin ray patterns at the fin-to-limb transition.

Thomas A Stewart, Justin B Lemberg, Natalia K Taft, Ihna Yoo, Edward B Daeschler, Neil H Shubin

Mentions

107
Peak: 44 in Dec 2019
across 6 sources since Dec 2019

Extended reach

160,148
potential audience

Total likes

318

Video views

9,491

Mentions per month

Dec 2019 – Dec 2025

Where it's discussed

  • X / Twitter51 posts
  • Facebook26 posts
  • Instagram23 posts
  • News4 articles
  • YouTube2 videos
  • Blogs1 articles

AI synopsis

What people are saying

The group demonstrates a strong interest in the topic through references to detailed scientific methods, such as 3D scans of fin bones and discussions about Tiktaalik’s role as an intermediate form, showing curiosity and engagement. However, some comments dismiss the relevance of broader evolutionary debates, indicating a moderate level of engagement and impact awareness.

AgreementModerate agreement

Most discussions recognize the importance of the research in understanding the fin-to-limb transition, with some criticizing others for lack of awareness or depth.

InterestHigh interest

The posts show high interest, referencing detailed aspects like 3D scans and evolutionary implications.

EngagementModerate engagement

Several comments involve sharing additional resources and making connections to broader topics, indicating moderate engagement.

ImpactModerate impact

While the discussions highlight the significance of the findings, they largely focus on the research's importance to understanding evolution rather than immediate practical impact.

Abstract in brief

  • The research investigates how dermal fin rays evolved at the transition from fins to limbs in ancient fish, focusing on changes in fin ray structure like segmentation, branching, and asymmetry between dorsal and ventral rays.
  • Findings show that dorsal fin rays tend to cover more of the fin's endoskeleton and are generally larger than ventral rays, with asymmetry increasing as the fins grow, possibly indicating adaptations for supporting an upright posture.
  • These patterns of asymmetry and fin ray development are thought to be primitive features of early fish that helped them adapt to loading on substrates, laying the groundwork before the evolution of digits in tetrapods.]

Top posts

Most liked on X and Bluesky
Amir A. Abbasi, PhD
@abbasiam77 · X

Fin ray patterns at the fin-to-limb transition https://t.co/Ct53iEyrPo

Jan 1, 2020 · 3 likes · 1,178 followers View post →
Julian Norris
@Paleoguy073 · X

@ButtCheeksMoses @PTogekiss @chaustin @Flam3emperor622 Tiktaalik was anatomically intermediate between fish and land tetrapods. Of course you didn’t even bother to look that up. https://t.co/myJxmp10u7 https://t.co/am67zZGjl3 https://t.co/T24Jb8HRvM https://t.co/hgF8u8nwdk https://t.co/JlPIjptxJf

Apr 23, 2024 · 2 likes · 369 followers View post →
Colecionadores de Ossos
@Colecionadores2 · X

Fin ray patterns at the fin to limb transition - A 3D model collection by tomstewartscience (@tomstewartscience) https://t.co/ODo3l5hNMX

Dec 30, 2019 · 1 like · 6,240 followers View post →
Jente Ottenburghs | Avian Hybrids
@Jente_O · X

Fin ray patterns at the fin-to-limb transition https://t.co/YYzQF7zJfQ Step by step... https://t.co/iFvWTWplQG

Jan 22, 2020 · 1 like · 4,039 followers View post →
Juan C. Opazo
@opazolab · X

Fin ray patterns at the fin-to-limb transition https://t.co/rUHyQFnYSu

Jan 7, 2020 · 1 like · 1,659 followers View post →
PaleoAnthropology+
@Qafzeh · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 50,262 followers View post →

All mentions

Julian Norris
@Paleoguy073 · X

@ButtCheeksMoses @PTogekiss @chaustin @Flam3emperor622 Tiktaalik was anatomically intermediate between fish and land tetrapods. Of course you didn’t even bother to look that up. https://t.co/myJxmp10u7 https://t.co/am67zZGjl3 https://t.co/T24Jb8HRvM https://t.co/hgF8u8nwdk https://t.co/JlPIjptxJf

Apr 23, 2024 · 2 likes · 369 followers View post →
Jonathan Marcot
@JonathanMarcot · X

Fin ray patterns at the fin-to-limb transition https://t.co/NesIwIYXba

Jan 28, 2020 · 837 followers View post →
Jente Ottenburghs | Avian Hybrids
@Jente_O · X

Fin ray patterns at the fin-to-limb transition https://t.co/YYzQF7zJfQ Step by step... https://t.co/iFvWTWplQG

Jan 22, 2020 · 1 like · 4,039 followers View post →
Juan C. Opazo
@opazolab · X

Fin ray patterns at the fin-to-limb transition https://t.co/rUHyQFnYSu

Jan 7, 2020 · 1 like · 1,659 followers View post →
Gunnar
@evolveon · X

Fins or paws? Doesn't matter, just keep walking. Fin ray patterns at the fin-to-limb transition https://t.co/ttsmwtk3R0 #evolution #locomotion #fish #transition

Jan 7, 2020 · 433 followers View post →
Amir A. Abbasi, PhD
@abbasiam77 · X

Fin ray patterns at the fin-to-limb transition https://t.co/Ct53iEyrPo

Jan 1, 2020 · 3 likes · 1,178 followers View post →
Camilo Julián
@camilo_julianc · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Jan 1, 2020 · 49 shares · 761 followers View post →
Peyton
@paige_wen_ · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 2 followers View post →
Brendan Takahashi (恐竜ブレンダン)
@DinosaurBrendan · X

Fin ray patterns at the fin-to-limb transition https://t.co/nrnlYxK2x3

Dec 31, 2019 · 333 followers View post →
Dr. Karly E. Cohen
@Karly_Cohen · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 1,698 followers View post →
Sarah McMenamin, she/her
@skmcmena · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 1,887 followers View post →
Kuzco
@Kuzco297 · X

RT @TomHoltzPaleo: Fin ray patterns at the fin-to-limb transition https://t.co/MB80S2R1pp

Dec 31, 2019 · 1 share · 283 followers View post →
Quod scripsi, scripsi
@2lcrs6 · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 194 followers View post →
Brooke Sauer
@brooke_sauer · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 255 followers View post →
Marta Fernández
@Marta64903917 · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 127 followers View post →
Kuzco
@Kuzco297 · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 283 followers View post →
Sander Voormolen
@SanderVoormolen · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 422 followers View post →
Tricaudae Studio (Stephanie Dziezyk)
@TricaudaeStudio · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 3,053 followers View post →
PaleoAnthropology+
@Qafzeh · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 50,262 followers View post →
Christina Bowers is not here
@CWBrainstream · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 31, 2019 · 49 shares · 153 followers View post →
James Boyle, PhD
@JBoyle_Paleo · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 318 followers View post →
Jim Kirkland
@Paleojim · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 11,813 followers View post →
Agus Ventre
@AgusLesp · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 168 followers View post →
Jennifer Anne
@Dr_JAnne · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 525 followers View post →
Sergio González Mora
@PhylumBryozoa · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 996 followers View post →
Tohru Yano PhD
@ToY_twittest · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 194 followers View post →
Sports Engineering
@ISEA_Journal · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 1,935 followers View post →
Ezequiel Vera
@ezequielvera · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 4,570 followers View post →
Professor John R. Hutchinson
@JohnRHutchinson · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 14,027 followers View post →
Derek den Ouden, Paleosoricidologist
@DenoudenDerek · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 311 followers View post →
Diplotomodon (
@Diplotomodon · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 783 followers View post →
Bobby (Just Being Me)
@Dilophosaur13 · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 1,223 followers View post →
Jonathan Mitchell
@JonSMitchell · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 278 followers View post →
Dr. Oliver Demuth
@OliverDemuth · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 2,086 followers View post →
Jason Bruck
@JasonBruck · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 536 followers View post →
Sam Giles
@GilesPalaeoLab · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 8,054 followers View post →
Milton Tan
@mtanichthys · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 5,086 followers View post →
bgc
@blockspins · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 260 followers View post →
Evelyn Proctor
@dorobuk · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 684 followers View post →
Prehistoric Uprising | JKB
@prehistoric__up · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 28 followers View post →
Mark Peterson
@Dassel · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 771 followers View post →
Kelly Kluthe (she/her)
@KlutheScience · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 1,376 followers View post →
M Tony Bonilla
@mmbonillaevo · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 162 followers View post →
Dr. Michael Ralph
@MichaelCRalph · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 1,085 followers View post →
Tathagata Biswas
@tathabiswas · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 776 followers View post →
SICB
@SICB_ · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 6,978 followers View post →
Jari-Pekka Vuorela
@jpvuorela · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 377 followers View post →
Colecionadores de Ossos
@Colecionadores2 · X

Fin ray patterns at the fin to limb transition - A 3D model collection by tomstewartscience (@tomstewartscience) https://t.co/ODo3l5hNMX

Dec 30, 2019 · 1 like · 6,240 followers View post →
Sergio González Mora
@PhylumBryozoa · X

Fin ray patterns at the fin-to-limb transition https://t.co/blzDYWMnEW

Dec 30, 2019 · 996 followers View post →
João
@CoelhoPre · X

RT @NeilShubin: For the new paper, we’ve posted 3D scans of fins and individual bones of Tiktaalik, Sauripterus and others. All freely avai…

Dec 30, 2019 · 49 shares · 2,616 followers View post →
fernanda castano
@ferwen · X

Fin ray patterns at the fin-to-limb transition https://t.co/1BOpTL6EIw

Dec 30, 2019 · 2,716 followers View post →
Evolution's Fish-Tetrapod Link | PDF | Social Science | History
News

doi:10.1073/pnas.1915983117. PMC 6983361. PMID 31888998. 3. ^ "What has the head of a crocodile and the gills of a fish?". [Link]. May 2006. Archived from ...

Jan 4, 2026 View →
Interface Focus2024 | PDF | Deformation (Engineering) | Elasticity ...
News

USA 117, 1612–1620. (doi:10.1073/pnas. 1915983117). You might also like.

Jan 4, 2026 View →
El período Devónico se puede destacar por varias razones, una de ...
Instagram

... pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart#prehistoric ...

Dec 6, 2025 View →
Tiktaalik #procreate #paleoart #art #music #paleontology
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 5, 2025 View →
Convergent evolution occurs when completely unrelated groups of ...
Facebook

... pnas.1802543116 Image: Rijksdienst voor het Cultureel Erfgoed [CC ... www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information ...

Dec 3, 2025 View →
Tiktaalik lacks true limbs and weight-bearing capabilities
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Nov 20, 2025 View →
Para continuar con la reseña a Caminando con bestias “Ballena ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Nov 3, 2025 View →
300 million-year-old ray-finned fish fossil discovery
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Oct 28, 2025 View →
Evolution from fish to amphibian
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Oct 10, 2025 View →
**Teeth first evolved as sensory tissue in the armored exoskeletons ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Jun 28, 2025 View →
Early fish evolved into land animals around 375 million years ago
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

May 29, 2025 View →
A rich trove of fossil teeth and scales tells a story of changes in ...
Facebook

In PNAS: https://ow.ly/7n9l50VYQVP · Fish (top) and shark (bottom) ... www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information ...

May 26, 2025 View →
Surprising science! This might look like something fierce ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Apr 23, 2025 View →
¡Este es el dinosaurio en el que basaron el Velociraptor de Jurassic ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Apr 12, 2025 View →
Can keratin fossilize and be mistaken for bone?
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Mar 27, 2025 View →
En 1823 el primer fósil de Plesiosaurus fue encontrado por la ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Mar 12, 2025 View →
Fin to Limb Transition in Devonian Period, Comparison of ...
Facebook

www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by University of ...

Feb 17, 2025 View →
The fins making up the limbs of the bony fish are ______ A. Caudal ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Feb 6, 2025 View →
https://whyy.org/articles/drexel-prof-others-discovery-fills-gap-in ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Jan 30, 2025 View →
Creation by an intelligent being makes sense
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided ...

Jan 14, 2025 View →
Los escarabajos forman el orden llamado Coleoptera. ¡Este por ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 9, 2024 View →
Una de las aproximadamente 13 especies válidas de Dimetrodon ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Nov 27, 2024 View →
A pesar de que tienen extremidades cortas y cuerpos voluminosos ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Oct 4, 2024 View →
¡Por ahora el roedor más grande que ha existido en Puerto Rico ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Jul 8, 2024 View →
Tiktaalik fossil discovery and its significance in paleontology
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Apr 3, 2024 View →
Se le puede llamar el continente de las panteras. Ahí se encuentran ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Mar 22, 2024 View →
Do Ancient Fish Point to Shoulder Evolution? Did your shoulders ...
Facebook

www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by University of ...

Feb 18, 2024 View →
Amargasaurus, y su pariente cercano Bajadasaurus, son de esos ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Feb 7, 2024 View →
¡Pues claro que tenía que acabar el año con un dinosaurio! Uno de ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 22, 2023 View →
Aquí quise destacar algunas especies que muestran la gran ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 17, 2023 View →
Was a Fossil “Fish-Hand” Discovered?... In order for the bizarre ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

May 5, 2023 View →
Las garras de este dinosaurio son las mas largas de cualquier ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Apr 14, 2023 View →
Este fue otro dinosaurio que recibió el tratamiento de animal semi ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Nov 4, 2022 View →
¡Dinosaurio nuevo! Conozcan a Jakapil kaniukura. Su nombre ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Aug 19, 2022 View →
From the article: “A new study from the laboratory of Neil Shubin ...
Facebook

Stewart el al., "Fin ray patterns at the fin-to-limb transition," PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal ...

Jul 23, 2022 View →
Las mariposas, escarabajos, hormigas y moscas pasan por un ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 13, 2021 View →
Computer simulations reveal key to fish fins' versatility
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Aug 19, 2021 View →
El segundo periodo de la Era Mesozoica fue el Jurásico. Esta fue la ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 17, 2020 View →
La era Mesozoica se divide en 3 periodos: Triásico, Jurásico y ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Dec 6, 2020 View →
Los ictiosaurios son un grupo de reptiles marinos, que originaron en ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Nov 19, 2020 View →
Palaeeudyptes klekowskii era una especie de pingüino que vivía en ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Oct 6, 2020 View →
¿Sabías que los pájaros son dinosaurios? Las aves pertenecen al ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Sep 29, 2020 View →
Lambeosaurus pertenecía a un grupo de dinosaurios llamados los ...
Instagram

https://www.pnas.org/doi/full/10.1073/pnas.1915983117 . . . . . . . . . . . . #paleoart#tiktaalik#devonian#fish#paleoarte#animalart ...

Sep 19, 2020 View →
鱼鳍是怎么进化成四肢的?3.75亿年前的鱼类化石揭开了答案!_研究
News

DOI: 10.1073/pnas.1915983117. 博科园|科学、科技、科研、科普. 平台声明. 评论. 全部. 还没有人评论过,快来抢首评. 抢首评. 微信好友; 朋友圈 ...

Apr 6, 2020 View →
An ancient Elpistostege fish fossil found in Miguasha, Canada has ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Mar 19, 2020 View →
Ancient fish fossil reveals evolutionary hand development
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Mar 18, 2020 View →
Tristichopterus alatus, 29 cm, Eday Flagstone Formation, Middle ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Jan 11, 2020 View →
How fish fins evolved just before the transition to land | ScienceDaily
News

Fin ray patterns at the fin-to-limb transition. Proceedings of the National Academy of Sciences, 2019; 201915983 DOI: 10.1073/pnas.1915983117 ...

Dec 31, 2019 View →
How fish fins evolved on the way to land-ready limbs - Futurity
Blogs

Original Study DOI: 10.1073/pnas.1915983117. Related. Humans share limb regeneration genes with gar fish · Swimming in schools gives fish an ...

Dec 31, 2019 View →
Eusthenopteron ,a genus of sarcopterygian fish from the late ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

May 28, 2019 View →
Sanral preserves natural heritage in Grahamstown, Eastern Cape
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Jun 8, 2018 View →
Can you trace the bones of your arms to those of fossil fish?
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Feb 24, 2018 View →
The study of embryology along with empirical evidence found in the ...
Facebook

... PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal information: Proceedings of the National Academy of Sciences Provided by ...

Dec 6, 2016 View →
The genetic link between fins to wrists and fingers has now been ...
Facebook

Stewart el al., "Fin ray patterns at the fin-to-limb transition," PNAS (2019). www.pnas.org/cgi/doi/10.1073/pnas.1915983117 Journal ...

Dec 23, 2014 View →