January 2008 PMID 18195356

Sexual maturity in growing dinosaurs does not fit reptilian growth models.

Andrew H Lee, Sarah Werning

Mentions

17
Peak: 4 in Oct 2021
across 5 sources since Jan 2008

Extended reach

13,675
potential audience

Total likes

371

Video views

5,355

Mentions per month

Jan 2008 – Mar 2024

Where it's discussed

  • News8 articles
  • X / Twitter4 posts
  • YouTube2 videos
  • Blogs2 articles
  • Facebook1 posts

AI synopsis

What people are saying

The overall tone reveals a cautious curiosity, with discussions referencing key points like the discovery of medullary bone in dinosaurs, which suggests early reproductive maturity. The use of words like 'challenging' and questions about methodology reflect a thoughtful engagement, rather than outright disagreement or disinterest, indicating a balanced but cautious appraisal of the study’s significance.

AgreementNeither agree nor disagree

The posts display mixed opinions; some agree with the findings that challenge reptilian growth models, while others show neutrality or seek further clarification.

InterestModerate interest

Most discussions express curiosity about the implications of early reproductive maturity, indicating moderate interest.

EngagementModerate engagement

Participants reference specific studies and question the methods, showing they are actively engaging with the research rather than dismissing it.

ImpactNeutral impact

The discussions do not suggest the publication has caused a major shift in the field but are impactful enough to warrant further discussion among researchers.

Abstract in brief

  • Recent studies show that dinosaurs grew quickly, but their reproductive maturity (RM) timing is not well understood because clear indicators are rare.
  • The discovery of medullary bone (MB), a tissue associated with egg-laying in birds, in dinosaurs like T. rex, Allosaurus, and Tenontosaurus suggests they reached reproductive maturity relatively early during growth—around 8 to 18 years—before reaching full size.
  • This reproductive timing resembles strategies seen in some mammals, indicating dinosaurs possibly had a more advanced, bird-like reproductive system developed earlier in their growth cycle, likely due to high adult mortality and early independence.]

Top posts

Most liked on X and Bluesky
冠龍 諸々を執筆中
@Guanlong_wucaii · X

今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian growth models』(Andrew H. Lee,Sarah Werning,2008) https://t.co/HHHNUMDXFY 別の論文では、その性成熟がかなり早い時期だったとも

Oct 26, 2021 · 6 likes · 4 shares · 2,195 followers View post →
Yoshitugu Tuduki/都築良継
@TSMoon56 · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 26, 2021 · 4 shares · 2,948 followers View post →
ヤマタノオロチ
@oroti0 · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 27, 2021 · 4 shares · 2,637 followers View post →
Gulpvenator
@longingforTLW · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 27, 2021 · 4 shares · 398 followers View post →

All mentions

ヤマタノオロチ
@oroti0 · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 27, 2021 · 4 shares · 2,637 followers View post →
Gulpvenator
@longingforTLW · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 27, 2021 · 4 shares · 398 followers View post →
Yoshitugu Tuduki/都築良継
@TSMoon56 · X

RT @Guanlong_wucaii: 今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian grow…

Oct 26, 2021 · 4 shares · 2,948 followers View post →
冠龍 諸々を執筆中
@Guanlong_wucaii · X

今回の論文(Eva Griebeler,2021)では、恐竜が性的に成熟するタイミングに注目している。 『Sexual maturity in growing dinosaurs does not fit reptilian growth models』(Andrew H. Lee,Sarah Werning,2008) https://t.co/HHHNUMDXFY 別の論文では、その性成熟がかなり早い時期だったとも

Oct 26, 2021 · 6 likes · 4 shares · 2,195 followers View post →
Holtz 2021 Theropod Guild Structure | PDF
News

doi:10.1073/pnas.0708903105. PMID:18195356. Mexico Museum of Natural History & Science, Bulletin 23, pp. 1–95. Li, D., Norell, M.A., Gao, K.-Q., Smith, N.D. ...

Dec 12, 2025 View →
Dinosaur e | PDF
News

DOI: 10.1073/pnas.0708903105. PMID: 18195356. 8038(2002)119[1187:BADSAT]2.0.CO;2. [108] Xu, X. and Norell, M.A.. A new troodontid dinosaur [95] Wellnhofer ...

Dec 12, 2025 View →
Allosaurus | PDF
News

DOI:10.1073/pnas.0708903105. PMID 18195356. 79. Ugrs fel Loewen, Mark A., Carrano, Matthew T.; and Sampson, Scott D. (2002). Ontogenetic changes in hindlimb ...

Dec 12, 2025 View →
科學人- 這動物的生態根本是瑟瑟遊戲的世界觀設定 我需要網址 ...
Facebook

pnas. org/doi/abs/10.1073/pnas. 0708903105. pnas.org. Sexual maturity in growing dinosaurs does not fit reptilian. 2 yrs. 周呈隆. GIF, GIF , ...

Mar 8, 2024 View →
Intimate Secrets of Dinosaur Lives
News

... 10.1073/pnas.0708903105. Padian, K., & Horner, J. (2011). The evolution of 'bizarre structures' in dinosaurs: biomechanics, sexual selection ...

Feb 13, 2012 View →
A Comedy of Dinosaur Errors
News

... 10.1073/pnas.0708903105. Ray, G. 1961. Big For His Day. Natural History 48, 36-39. You Might Also Like. The Largest Ceratosaurus. January 19 ...

Dec 16, 2011 View →
Dinosaurs grew fast, had teen pregnancies and died young ...
News

DOI: 10.1073/pnas.0708903105. More on dinosaur growth: Duck-billed dinosaur defended itself by outgrowing predators; Giant dinosaurs used the ...

Oct 5, 2010 View →
Dinosaurier - Frühreifer T. rex - Wissen - SZ.de
News

... 10.1073/pnas.0708903105). Bereits im Alter ...

May 17, 2010 View →
Dinosaur teens were keen on sex | New Scientist
Blogs

... 10.1073/pnas.0708903105). The tenontosaur was 8, the allosaur 10, and the T. rex 18 years old. All three were adolescents too young to have ...

Jan 16, 2008 View →
Fossils reveal dinosaurs had teen sex | New Scientist
Blogs

... 10.1073/pnas.0708903105). Advertisement. Sign up to our weekly newsletter. Receive a weekly dose of discovery in your inbox. We'll also keep ...

Jan 14, 2008 View →
Paläontologie: Frühe Mutterschaft bei Dinosauriern - Spektrum der ...
News

Proceedings of the National Academy of Sciences 10.1073/pnas.0708903105 (2008). Allosaurus · Tenontosaurus · Tyrannosaurus rex · University of ...

Jan 14, 2008 View →