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Elife November 2019 PMID 31843051

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians.

Torsten M Scheyer, John R Hutchinson, Olivier Strauss, Massimo Delfino, Jorge D Carrillo-Briceño, Rodolfo Sánchez, Marcelo R Sánchez-Villagra

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Mentions

175
Peak: 54 in Dec 2019
across 5 sources since Dec 2019

Extended reach

202,632
potential audience

Total likes

158

Video views

423

Mentions per month

Dec 2019

All 54 dated mentions so far are from Dec 2019.

Where it's discussed

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AI synopsis

What people are saying

Discussions highlight the significance of a giant extinct caiman that defies usual skeletal constraints, with references to the biomechanical and genetic implications such as 'HoxGenes' and 'evo-devo insights,' reflecting active engagement and recognition of its potential to reshape understanding in paleontology and evolutionary biology.

AgreementModerate agreement

Most discussions recognize the significance of the findings, especially references to the caiman breaking typical constraints, indicating general support.

InterestHigh interest

The enthusiasm about the caiman’s unique skeletal features and adaptations shows high curiosity and engagement with the topic.

EngagementModerate engagement

Posts include references to detailed biomechanics, evolution, and genetic insights, showing moderate depth of engagement.

ImpactModerate impact

The posts suggest the findings could influence understanding of crocodylian evolution and morphology, implying a notable impact.

Abstract in brief

  • The study discusses how most modern crocodylians have a highly consistent number of vertebrae, with nine neck (cervical), 15 back (dorsal), and two sacral vertebrae, reflecting strict genetic control during development.
  • It reports a unique case of a giant caiman, a type of crocodylian, that exhibits a deviation from this pattern by having three sacral vertebrae, including a true sacral and a dorsosacral, which is unusual among crown crocodylians.
  • The large size of this caiman is linked to changes in movement and posture, such as a more upright limb position and specific pelvic and limb adaptations, possibly to support its weight and enhance locomotion.]
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Most liked on X and Bluesky
Professor John R. Hutchinson
@JohnRHutchinson · X

Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https://t.co/Z6aTDGrScL https://t.co/OwQRtpM3En

Dec 17, 2019 · 124 likes · 41 shares · 14,058 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 17, 2019 · 15 likes · 5 shares · 31,782 followers View post →
とよけらとぷす
@rex_toyo · X

論文へのリンク https://t.co/qacwDbUhPB こちらの写真は大阪市立自然史博物館に展示されているカイマンの骨格標本です。 仙椎（腰の骨と関節する椎骨）は2つしかないのがお分かりいただけるかと思います。 https://t.co/rwph2XbFlY

Dec 18, 2019 · 9 likes · 2 shares · 2,150 followers View post →
Institut Català de Paleontologia Miquel Crusafont
@ICP_MCrusafont · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians. New #article in @eLife https://t.co/rvIYsPHgjs cc: @UZH_en @RoyalVetCollege @unito #crocodile #paleontology #evolution https://t.co/WuaTEPffwh

Dec 17, 2019 · 5 likes · 2 shares · 2,357 followers View post →
Gabriel N. U.
@SerpenIllus · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 53,689 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 31,782 followers View post →

All mentions

ビクーピー
@B47197246 · X

RT @rex_toyo: 論文へのリンク https://t.co/qacwDbUhPB こちらの写真は大阪市立自然史博物館に展示されているカイマンの骨格標本です。 仙椎（腰の骨と関節する椎骨）は2つしかないのがお分かりいただけるかと思います。 https://t.co/rw…

Dec 19, 2019 · 2 shares · 1,896 followers View post →
流刑囚
@kyotoanda · X

RT @rex_toyo: 論文へのリンク https://t.co/qacwDbUhPB こちらの写真は大阪市立自然史博物館に展示されているカイマンの骨格標本です。 仙椎（腰の骨と関節する椎骨）は2つしかないのがお分かりいただけるかと思います。 https://t.co/rw…

Dec 19, 2019 · 2 shares · 742 followers View post →
青柳
@FBWM8888 · X

RT @TomHoltzPaleo: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 18, 2019 · 5 shares · 728 followers View post →
とよけらとぷす
@rex_toyo · X

論文へのリンク https://t.co/qacwDbUhPB こちらの写真は大阪市立自然史博物館に展示されているカイマンの骨格標本です。 仙椎（腰の骨と関節する椎骨）は2つしかないのがお分かりいただけるかと思います。 https://t.co/rwph2XbFlY

Dec 18, 2019 · 9 likes · 2 shares · 2,150 followers View post →
PubMedCurator
@PubMedCurator · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians. https://t.co/hLNjxYvE6c

Dec 18, 2019 · 137 followers View post →
Stephanie Drumheller
@UglyFossils · X

RT @TomHoltzPaleo: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 18, 2019 · 5 shares · 1,700 followers View post →
Isaac Cocom
@IsaacCocom2 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 18, 2019 · 41 shares · 60 followers View post →
Alex Payne
@AlexRDPayne · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 18, 2019 · 41 shares · 830 followers View post →
SHN
@ALTSHN · X

RT @ICP_MCrusafont: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians. New #article in @eLife https://t.c…

Dec 18, 2019 · 2 shares · 456 followers View post →
Joel López Parés
@jovepaleontoleg · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 18, 2019 · 41 shares · 1,444 followers View post →
ネイト=リ奈良
@naterivernara · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 18, 2019 · 41 shares · 854 followers View post →
Chase Brownstein
@ChaseBrownstein · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,768 followers View post →
Ti Yexhwula7 LeSaq'w
@FlyingEagle8956 · X

RT @TomHoltzPaleo: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 17, 2019 · 5 shares · 24 followers View post →
Brendan Takahashi (恐竜ブレンダン)
@DinosaurBrendan · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/QHXAJ1IBFF

Dec 17, 2019 · 339 followers View post →
Rue Davis
@RueDavis2 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares View post →
Un blenio observador
@BlenioUn · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 260 followers View post →
青柳
@FBWM8888 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 728 followers View post →
チョビ之助
@Cyobinosuke · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 492 followers View post →
diceCT
@diceCT · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,061 followers View post →
Jess Miller-Camp, Ph.D.
@DeadGators · X

Himb big boi, as they say these days #Purussaurus turned a lumbar vertebra into a sacral to support its heavy mass #HoxGenes https://t.co/PSzBdQ1HXV

Dec 17, 2019 · 719 followers View post →
Stephanie Drumheller
@UglyFossils · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,700 followers View post →
Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
@BongMarcosaurus · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,013 followers View post →
Germán AP (赫尔曼)
@Hipergerman · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,833 followers View post →
Mario
@L_ssar · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 2,863 followers View post →
Jyura
@oranghooman · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 47 followers View post →
MD
@Midiaou7 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 5,800 followers View post →
Lluís Checa Soler
@checa_soler · X

RT @ICP_MCrusafont: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians. New #article in @eLife https://t.c…

Dec 17, 2019 · 2 shares · 206 followers View post →
恐竜生理学の学芸員
@Anomro · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 2,060 followers View post →
Gabriel N. U.
@SerpenIllus · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 53,689 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 31,782 followers View post →
piyawat
@piyawat · X

RT @TomHoltzPaleo: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 17, 2019 · 5 shares · 936 followers View post →
Dino Chu
@Dino_Dobrowski · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,098 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians https://t.co/RmUdzcSiL2

Dec 17, 2019 · 15 likes · 5 shares · 31,782 followers View post →
Pedro Godoy
@PedroLGodoy · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,937 followers View post →
アヌ
@macn_ch894 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 2,626 followers View post →
荒れクトロ
@gracilis_delta · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 412 followers View post →
Sarah Nicoll
@SarLouNic · X

RT @RVCanatomy: Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians

Dec 17, 2019 · 1 share · 105 followers View post →
Institut Català de Paleontologia Miquel Crusafont
@ICP_MCrusafont · X

Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians. New #article in @eLife https://t.co/rvIYsPHgjs cc: @UZH_en @RoyalVetCollege @unito #crocodile #paleontology #evolution https://t.co/WuaTEPffwh

Dec 17, 2019 · 5 likes · 2 shares · 2,357 followers View post →
ビクーピー
@B47197246 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,896 followers View post →
らえらぷす@HJ連載中
@GET_AWAY_TRIKE · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 5,790 followers View post →
山本聖士/恐竜復元教/恐竜異説読も♡
@yamamotoyama555 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 8,282 followers View post →
Dr. Oliver Demuth
@OliverDemuth · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 2,092 followers View post →
Maria Eugenia Pereyra
@MariaEugeniaP_6 · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 213 followers View post →
Dr Ashleigh Wiseman
@ArchaeoAshleigh · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,056 followers View post →
Shiro EGAWA/江川史朗
@EgawaShiro · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 600 followers View post →
Andrzej Wolniewicz
@ASWolniewicz · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,822 followers View post →
@supergalaxysam.bsky.social
@supergalaxysam · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 225 followers View post →
Richard_Carr
@EmuLarge · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,846 followers View post →
Prof. Christine Böhmer
@VertEvo · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,181 followers View post →
Dr David Hocking
@DPHocking · X

RT @JohnRHutchinson: Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https:…

Dec 17, 2019 · 41 shares · 1,487 followers View post →
Professor John R. Hutchinson
@JohnRHutchinson · X

Evo-devo-biomechanical insights into the postcranial skeleton of the giant Miocene caiman Purussaurus mirandai! https://t.co/Z6aTDGrScL https://t.co/OwQRtpM3En

Dec 17, 2019 · 124 likes · 41 shares · 14,058 followers View post →