July 2023 PMID 37364100

Endothermic physiology of extinct megatooth sharks.

Michael L Griffiths, Robert A Eagle, Sora L Kim, Randon J Flores, Martin A Becker, Harry M Maisch, Robin B Trayler, Rachel L Chan, Jeremy McCormack, Alliya A Akhtar, Aradhna K Tripati, Kenshu Shimada

Mentions

479
Peak: 75 in Jun 2023
across 6 sources since Jun 2023

Extended reach

2,891,083
potential audience

Total likes

32,835

Video views

2,376,329

Mentions per month

Jun 2023 – Aug 2025

Where it's discussed

  • News345 articles
  • X / Twitter110 posts
  • Blogs16 articles
  • YouTube5 videos
  • Facebook2 posts
  • Bluesky1 posts

AI synopsis

What people are saying

The preference for scientific evidence is evident in posts emphasizing isotope analysis and body temperature estimates, with phrases like 'confirms' and 'new research,' reflecting high agreement and impact. The tone varies from technical in discussions about physiology to more casual comments about movies, but the overall emphasis on the study's significance indicates strong interest and deep engagement.

AgreementStrong agreement

Most discussions are positive, supporting the idea that Megalodon was likely warm-blooded based on recent research, with many explicitly affirming the study's findings.

InterestHigh interest

Posts show high interest, referencing scientific methods and implications, with several mentions of isotopic analyses and thermoregulation debates.

EngagementModerate engagement

While some discussions reference specific scientific details like isotope analysis, overall engagement remains moderate, with some users expressing curiosity and support.

ImpactHigh impact

The discussions suggest significant impact, as many posts link the research to broader questions about Megalodon's physiology and extinction, emphasizing its importance.

Abstract in brief

  • The study explores whether extinct megatooth sharks, specifically *Carcharocles megalodon*, were ectothermic (cold-blooded) or endothermic (warm-blooded), using geochemical methods like isotope analysis to gather evidence.
  • Findings indicate that *Megalodon* likely maintained a warmer body temperature than its surrounding environment, supporting the idea that it was endothermic, which may have contributed to its large size and gigantism.
  • The high metabolic costs associated with maintaining elevated body temperatures could have made *Megalodon* more vulnerable to extinction during the Pliocene, unlike some smaller, colder-blooded sharks that survived.]

Top posts

Most liked on X and Bluesky
Dr. Jack Cooper
@CooperPalaeo · X

A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread on each of them later this week if followers would be interested. Many congrats to the authors!

Jun 27, 2023 · 27 likes · 6 shares · 1,080 followers View post →
PNASNews
@PNASNews · X

Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer than the seawater they swam in, which was so energetically costly it could have contributed to their extinction. In PNAS: https://t.co/B4x3pIGHVU https://t.co/oIcmpcR1Xp

Jun 28, 2023 · 18 likes · 9 shares · 181,233 followers View post →
Ken Tsuchiya
@paleont_kt · X

メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https://t.co/JUe4lDZyy9

Jun 27, 2023 · 14 likes · 7 shares · 6,645 followers View post →
Paléontologie
@PaleontologieFr · X

L'étude d'émailoïde

Jun 30, 2023 · 9 likes · 2,410 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYju) ❸モササウルス科:33〜36度 (https://t.co/VVIZxpoN1x) ②メガロドン:25〜30度 (https://t.co/w3G1eNYMUH)

Jun 27, 2023 · 9 likes · 9 shares · 2,153 followers View post →
Gregory Henkes
@isotopogrog · X

Jul 17, 2023 · 8 likes · 6 shares · 515 followers View post →

All mentions

The Giant Killer Sperm Whale: Rival of Megalodon

Among prehistoric sharks, none are more famous than the giant Megalodon, a predator that ruled ancient oceans. This video explores the giant killer sperm whale Livyatan melvillei, revealing its significance in marine…

Ben G Thomas · Jul 30, 2023 1,026,080 views

Megalodon Endothermy and Extinction Insights

The study explores whether *Carcharocles megalodon* was warm-blooded or cold-blooded using isotope analysis. Evidence suggests Megalodon maintained a warmer body temperature, which may have contributed to its gigantism…

Zoomundo · Aug 20, 2024 25,613 views
Grok
@RXTKV17 · X

@excalib51686983 @princesse_rasta @CestTerrifiant https://t.co/Erb7E5j0I5 https://t.co/4UK3N4BYRZ https://t.co/a7FVnE9Md9 Voici 3 études qui ont été validée en peer reviews avant publication. Maintenant envoie tes études scientifiques qui démentent la possibilité de l’existence même du megalodon ?

Aug 7, 2025 · 233 followers View post →
ヤマタノオロチ
@oroti0 · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Apr 17, 2025 · 9 shares · 2,651 followers View post →
Lady Karalee Avelli ( Learyth )
@KaraAvelli · X

How Big Was Megalodon Really? https://t.co/2AMWqrGkjq via @YouTube

Jan 5, 2025 · 1 like · 2,428 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Dec 4, 2024 · 9 shares · 2,153 followers View post →
旧アノーマン
@anoman113 · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Dec 4, 2024 · 9 shares · 14 followers View post →
Brian Black
@BrianBlackBooks · X

@meg82159 @theMeg_theLoch How big was Megaladon really? https://t.co/c0rYL8LT5Y?

Jul 24, 2024 · 1 like · 33 followers View post →
Hashim AbdusSamad
@MegaWubba89 · X

How Big Was Megalodon Really? https://t.co/d77tjp7PYL via @YouTube

Jul 17, 2024 · 849 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Mar 31, 2024 · 9 shares · 2,153 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Feb 15, 2024 · 9 shares · 2,153 followers View post →
David
@DavidLaVErn8 · X

https://t.co/XYH84wW9fL

Dec 27, 2023 · 1,208 followers View post →
SelectaVision Cinema & TV
@CED_LD_Guy · X

@MistrelofHorror Just about time for a movie about this monstrous whale that rivaled the Meg... https://t.co/rJQMKpQl2L

Sep 30, 2023 · 2 likes · 719 followers View post →
Joel López Parés
@jovepaleontoleg · X

RT @isotopogrog:

Aug 16, 2023 · 6 shares · 1,443 followers View post →
Pep Anton Vieta
@pquimic · X

RT @IGeociencias: Una nueva investigación geoquímica con isótopo de oxígeno confirma que el tiburón megalodón era de sangre caliente o más…

Aug 7, 2023 · 1 share · 2,593 followers View post →
IGEO (CSIC-UCM)
@IGeociencias · X

Una nueva investigación geoquímica con isótopo de oxígeno confirma que el tiburón megalodón era de sangre caliente o más exactamente regionalmente endotérmico, como algunos tiburones actuales. https://t.co/bvCD60E4JG

Aug 7, 2023 · 2 likes · 1 share · 72,142 followers View post →
IGEO (CSIC-UCM)
@IGeociencias · X

Una nueva investigación geoquímica con isótopo de oxígeno confirma que el tiburón megalodón era de sangre caliente o más exactamente regionalmente endotérmico, como algunos tiburones actuales. https://t.co/bvCD60E4JG

Aug 7, 2023 · 2 likes · 72,142 followers View post →
Linda Mora MacBeath
@moramacbeath · X

https://t.co/KBoGoEr85V

Aug 4, 2023 · 1,452 followers View post →
JPT_JTEC
@JtecJpt · X

An Animal To Rival Megalodon? - The Giant Killer Sperm Whale Livyatan https://t.co/suexcjZrLO via @YouTube

Jul 31, 2023 · 12 followers View post →
rocksolidfossils
@rocksolidfossil · X

An Animal To Rival Megalodon? - The Giant Killer Sperm Whale Livyatan https://t.co/652bxAFKt4 via @YouTube #Megalodon #TheMeg2 #MegShark #TheMegalodon #GiantSharks #ExtinctSharks #PrehistoricSharks #HugeSharks #Livyatan #LivyatanVsMegalodon #LivyatanMelvillei #rocksolidfossils

Jul 31, 2023 · 1 like · 1,541 followers View post →
Mario C. Rosina
@MarioRosinaB · X

An Animal To Rival Megalodon? - The Giant Killer Sperm Whale Livyatan https://t.co/j2s5pRwI0f vía @YouTube

Jul 30, 2023 · 156 followers View post →
Ryan Hau
@LordBlastington · X

https://t.co/XBA39qXGGD

Jul 30, 2023 · 1,676 followers View post →
Ben Johnson
@bensahuskie · X

@kathleen_belew If you want nonfiction, here is an excellent paper written about one of the possible reasons for their demise. https://t.co/AT2GkEsusA

Jul 26, 2023 · 135 followers View post →
Deming Yang
@DemingYang · X

RT @isotopogrog:

Jul 24, 2023 · 6 shares · 487 followers View post →
Oliver Shipley
@OllieShipley · X

How hot was The Meg? Great summary by @isotopogrog in @PNASNews on thermoregulation of the infamous #superpredator. https://t.co/DL0hzH2rig Original paper by Griffith's et al. https://t.co/67VPWS2JrV #ancientsharks #clumpedisotopes #sharkteeth #megalodon https://t.co/eAYGS8Fs1Q

Jul 20, 2023 · 5 likes · 794 followers View post →
Michael Griffiths
@mickgriff02 · X

RT @isotopogrog:

Jul 19, 2023 · 6 shares · 411 followers View post →
MMMelodee
@MMMukalla · X

RT @isotopogrog:

Jul 18, 2023 · 6 shares · 1,193 followers View post →
Turkana Miocene
@TurkanaMiocene · X

RT @isotopogrog:

Jul 18, 2023 · 6 shares · 482 followers View post →
Oliver Shipley
@OllieShipley · X

RT @isotopogrog:

Jul 17, 2023 · 6 shares · 794 followers View post →
Gregory Henkes
@isotopogrog · X

Jul 17, 2023 · 8 likes · 6 shares · 515 followers View post →
けーえぬ
@KnJhehduurbrnf · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Jul 17, 2023 · 9 shares · 910 followers View post →
BeyderLab
@BeyderLab · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/g1LR77WOGG

Jul 6, 2023 · 992 followers View post →
StableIsotopeEcology@CER_KyotoUniv
@IsotopeEcology · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/EMr87fw1Oq #stableisotopes

Jul 5, 2023 · 2 likes · 532 followers View post →
Freeman
@IsomorphismThm · X

PaleoPost: we finally have evidence that Otodus Megalodon (formerly Carcharodon) was warm-blooded! New research puts their mean temp at ~7°C warmer than the ambient seawater, which may explain their high trophic level and cosmopolitan distribution. https://t.co/wip582edLO

Jul 5, 2023 · 208 followers View post →
Jim Kirkland
@Paleojim · X

Endothermy in Otodus megalodon as a potention driver in its success & extinction. https://t.co/Ep0NkBc07U @ElasmoSociety @MA_Sharks @JeremyBRoberts @soFISHtication @MISS_Elasmo @PaleoSoc @SVP_vertpaleo

Jul 3, 2023 · 3 likes · 11,643 followers View post →
Shark Science
@SharkScience · X

Endothermic physiology of extinct megatooth #sharks | Otodus #megalodon https://t.co/iP2Lr9u00k

Jul 3, 2023 · 1 like · 3,533 followers View post →
Siegfried Treitner
@TreitnerS · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/pHkBJAp4UZ

Jul 2, 2023 · 2,101 followers View post →
GerardPJ
@Paleogee26 · X

Jul 2, 2023 · 946 followers View post →
Troy Grant
@Sharethwealth · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/pXUORPNZ2K

Jun 30, 2023 · 1,858 followers View post →
流刑囚
@kyotoanda · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Jun 30, 2023 · 9 shares · 741 followers View post →
Paléontologie
@PaleontologieFr · X

L'étude d'émailoïde

Jun 30, 2023 · 9 likes · 2,410 followers View post →
Philippe Claeys VUB
@ClaeysVub · X

RT @NielsJdeWinter: Megalodon may have been (partially) warm-blooded. Nice study @PNASNews applying #clumped and stable #oxygen #isotopes o…

Jun 28, 2023 · 2 shares · 854 followers View post →
Shapley Fürskyn
@shiva137 · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 217 followers View post →
Tessmar & Raible Labs
@FRKT_labs · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 827 followers View post →
belairguy
@belairguy · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 241 followers View post →
HeapsGood Productions & HeapsGood Music
@Heapsgood · X

RT @DinosaurUni: Wait, what? Megalodon was "warm-blooded"?

Jun 28, 2023 · 2 shares · 487 followers View post →
Jezza Morgan ;
@porpster · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 2,026 followers View post →
Cheng-Yu Chen (Joey)
@joeychengyu · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 35 followers View post →
Ankit Singla
@In_AnkitSingla · X

RT @PNASNews: Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer…

Jun 28, 2023 · 9 shares · 1,488 followers View post →
PNASNews
@PNASNews · X

Ancient megatooth sharks were giants. Isotope analysis of fossilized Otodus megalodon teeth shows the sharks were 7 °C warmer than the seawater they swam in, which was so energetically costly it could have contributed to their extinction. In PNAS: https://t.co/B4x3pIGHVU https://t.co/oIcmpcR1Xp

Jun 28, 2023 · 18 likes · 9 shares · 181,233 followers View post →
Thiago Carvalho
@cyrilpedia.bsky.social · Bluesky

Warm-blooded mega sharks "Our results show that O. megalodon had an overall warmer body temperature compared with its ambient environment and other coexisting shark species" https://www.pnas.org/doi/10.1073/pnas.2218153120

Jun 28, 2023 View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @V2manburu: ◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYj…

Jun 28, 2023 · 9 shares · 2,153 followers View post →
Sea-Unicorn
@SeaUnicorn2020 · X

RT @mickgriff02: We have a new paper out in @PNASNews today utilizing phosphate oxygen and clumped isotopes to infer endothermy in extinct…

Jun 28, 2023 · 10 shares · 672 followers View post →
Ola Kwiecien
@OlaKwiecien3 · X

RT @NielsJdeWinter: Megalodon may have been (partially) warm-blooded. Nice study @PNASNews applying #clumped and stable #oxygen #isotopes o…

Jun 28, 2023 · 2 shares · 1,147 followers View post →
NielsdeWinter
@NielsJdeWinter · X

Megalodon may have been (partially) warm-blooded. Nice study @PNASNews applying #clumped and stable #oxygen #isotopes on #megalodon teeth reveal higher than expected body temperatures

Jun 28, 2023 · 7 likes · 2 shares · 739 followers View post →
長月
@naga_nofu · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 735 followers View post →
Yoshitugu Tuduki/都築良継
@TSMoon56 · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 2,927 followers View post →
ふぉっしる店長
@fossiltenchou · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 1,546 followers View post →
Rui Kurosaka
@squid_rui · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 287 followers View post →
たか≒くろさかくん
@sumomaguro117 · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 298 followers View post →
ガイス
@shitake_reverse · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 3,460 followers View post →
田中順也@古生物のしたたかな生き方
@tanituki · X

RT @paleont_kt: メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https:/…

Jun 27, 2023 · 7 shares · 2,126 followers View post →
Ken Tsuchiya
@paleont_kt · X

メガロドンは、温血動物(内温性)だった、という記事→. https://t.co/guK5opQ5ck 。「メガロドンの平均体温は27度で、現代のサメの平均体温である22度~26.6度より高い」と。論文はこちら(英語ですが無料)→ https://t.co/JUe4lDZyy9

Jun 27, 2023 · 14 likes · 7 shares · 6,645 followers View post →
Chris Harrod
@chris_harrod · X

RT @mickgriff02: We have a new paper out in @PNASNews today utilizing phosphate oxygen and clumped isotopes to infer endothermy in extinct…

Jun 27, 2023 · 10 shares · 7,003 followers View post →
Jon Kuntz, PhD
@Shark_eye_sci · X

RT @mickgriff02: We have a new paper out in @PNASNews today utilizing phosphate oxygen and clumped isotopes to infer endothermy in extinct…

Jun 27, 2023 · 10 shares · 2,382 followers View post →
ぱっぽ
@papponokeeper · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 61 followers View post →
Jürgen "jkr" Kraus
@jkr_on_the_web · X

The megalodon shark had a significantly higher body temperature than previously thought. I hope this will not cause the respective trash movies ("cold-blooded killer") to be re-created. https://t.co/o1INGSDINF

Jun 27, 2023 · 1 like · 3,119 followers View post →
Ifail4you
@Ifail4you · X

RT @PaleonewsFrance: - Fais moi frissonner en deux mots - Mégalodon endotherme ! https://t.co/atiD40fBd5 Source: https://t.co/6t0WYHQVvX

Jun 27, 2023 · 2 shares · 39 followers View post →
梅
@Umemememoon · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 189 followers View post →
❤️‍
@Zerobuster_g · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 4,273 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

◎海洋古生物の体温 ①中生代の海生爬虫類 ❶魚竜&首長竜:33〜41度 (https://t.co/DoRgS8vtVC) ❷海鰐 ⑴テレオサウルス科:27〜31度 ⑵メトリオリンクス科:29〜37度 (https://t.co/zGWBiDmYju) ❸モササウルス科:33〜36度 (https://t.co/VVIZxpoN1x) ②メガロドン:25〜30度 (https://t.co/w3G1eNYMUH)

Jun 27, 2023 · 9 likes · 9 shares · 2,153 followers View post →
Gareth Fraser
@garethjfraser · X

RT @mickgriff02: We have a new paper out in @PNASNews today utilizing phosphate oxygen and clumped isotopes to infer endothermy in extinct…

Jun 27, 2023 · 10 shares · 3,310 followers View post →
式零負
@nullzwai · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 604 followers View post →
如月ムイカ
@0SfGuzVtcQ7VMMG · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 1,287 followers View post →
Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus)
@BongMarcosaurus · X

RT @TomHoltzPaleo: Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/1A0sshtfnz

Jun 27, 2023 · 1 share · 1,014 followers View post →
Deming Yang
@DemingYang · X

RT @mickgriff02: We have a new paper out in @PNASNews today utilizing phosphate oxygen and clumped isotopes to infer endothermy in extinct…

Jun 27, 2023 · 10 shares · 487 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/1A0sshtfnz

Jun 27, 2023 · 6 likes · 1 share · 31,766 followers View post →
YOH
@YOH_T_cho · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 467 followers View post →
Hady George
@HoudzGeorge · X

RT @CooperPalaeo: A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread…

Jun 27, 2023 · 6 shares · 954 followers View post →
るいん
@Ruin_Vivi18 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 848 followers View post →
ぷん
@GhMwo · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 226 followers View post →
Kyokichi 屋号:Office Liquid
@Kn_ggergrgrgegf · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 312 followers View post →
BattleChampion47
@BatleChampion47 · X

RT @CooperPalaeo: A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread…

Jun 27, 2023 · 6 shares · 162 followers View post →
IsurusDesori
@IsurusDesori · X

RT @CooperPalaeo: A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread…

Jun 27, 2023 · 6 shares · 102 followers View post →
CRCpaleos
@CRCpaleos · X

ARTÍCULO REFERENCIA (acceso abierto) Endothermic physiology of extinct megatooth sharks https://t.co/KkPKpN5drf vía @PNASNews

Jun 27, 2023 · 3,113 followers View post →
大門
@daimon_108 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 351 followers View post →
Sergio González Mora
@PhylumBryozoa · X

Endothermic physiology of extinct megatooth sharks | PNAS https://t.co/OkTUZcq86i

Jun 27, 2023 · 1 like · 987 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 2,153 followers View post →
ビクーピー
@B47197246 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 1,896 followers View post →
アイロニー・スカイウォーカー
@1000Yourmajesty · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 83 followers View post →
Nussaïbah Raja
@mauritiantales · X

RT @CooperPalaeo: A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread…

Jun 27, 2023 · 6 shares · 2,280 followers View post →
ネルサメ
@nerusame · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 2,498 followers View post →
Dantonio
@Daniel_A_Villar · X

RT @josh_zimmt: Six years ago I asked a potential PhD advisor whether Megalodon was an endotherm or an ectotherm... While I didn't get an o…

Jun 27, 2023 · 2 shares · 1,033 followers View post →
M・田村
@318kj89ki · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 579 followers View post →
メガネ
@hatsusenoUK · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 2,163 followers View post →
Yoshitugu Tuduki/都築良継
@TSMoon56 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 2,927 followers View post →
大帝Bukkey
@ibukkey · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 3,525 followers View post →
はにわ
@bey_lego_haniwa · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 474 followers View post →
おにつか
@anVtLP4h3Fnhlu9 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 252 followers View post →
James Ronan
@JurassicJames1 · X

RT @CooperPalaeo: A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread…

Jun 27, 2023 · 6 shares · 527 followers View post →
世の中ぴょぃ
@2lovely_birdS · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 1,918 followers View post →
Dr. Jack Cooper
@CooperPalaeo · X

A rare double-whammy in that we have 2 new megalodon papers published over the last few days. May well do a short thread on each of them later this week if followers would be interested. Many congrats to the authors!

Jun 27, 2023 · 27 likes · 6 shares · 1,080 followers View post →
たいそん
@arrowsrex · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 400 followers View post →
直
@soya_moon · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 222 followers View post →
ラプト・メリゴールド
@rapto_4500X · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 188 followers View post →
KINA
@ppp200x · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 1,096 followers View post →
神矢 みのる
@minorukamiya · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 8,853 followers View post →
九字か十字を切れのりたま
@tohjiroh · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 631 followers View post →
イマイヒロ 「玉屋本舗」
@tamayazakka · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 691 followers View post →
FossilFlex™
@FossilFlex · X

RT @josh_zimmt: Six years ago I asked a potential PhD advisor whether Megalodon was an endotherm or an ectotherm... While I didn't get an o…

Jun 27, 2023 · 2 shares · 330 followers View post →
カナディアンロッキー
@_canislups · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 299 followers View post →
コウメグ
@KouMEG219246 · X

RT @pantheo27705718: 史上最大のサメ「メガロドン」は温血動物だったことが判明 - GIGAZINE 論文フリー https://t.co/ewV3KUOBUS https://t.co/JNzo1ptcXN

Jun 27, 2023 · 52 shares · 884 followers View post →
Professeur_Zeta
@Professeur_Zeta · X

RT @PaleonewsFrance: - Fais moi frissonner en deux mots - Mégalodon endotherme ! https://t.co/atiD40fBd5 Source: https://t.co/6t0WYHQVvX

Jun 27, 2023 · 2 shares · 170 followers View post →