PubHawk
January 2023 PMID 36649436

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan .

Richard P Dearden, Anthony Herrel, Alan Pradel

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Mentions

68
Peak: 55 in Jan 2023
across 5 sources since Jan 2023

Extended reach

346,404
potential audience

Total likes

1,543

Video views

27,311

Mentions per month

Jan 2023 – Aug 2025

Where it's discussed

  • X / Twitter59 posts
  • News3 articles
  • YouTube2 videos
  • Facebook2 posts
  • Reddit2 posts

AI synopsis

What people are saying

The overall discussion reveals a strong interest and agreement, with users emphasizing the novelty of the fossil’s suction feeding evidence, such as phrases like 'Check this out!' and references to the implications for understanding early marine ecosystems. The tone is enthusiastic, highlighting the research's potential to reshape our understanding of holocephalan evolution, while some comments show active engagement through sharing and discussing anatomical details.

AgreementModerate agreement

Most posts express support or positive recognition of the study’s findings, indicating a general agreement with its conclusions about the fossil's high-performance suction feeding capabilities.

InterestHigh interest

Posts demonstrate high interest by highlighting the significance of the discovery and encouraging others to check out the research, reflecting curiosity and engagement with the topic.

EngagementHigh engagement

Several discussions involve references to specific anatomical features, evolutionary implications, and calls to examine the research further, showing deep involvement.

ImpactModerate impact

The publications are seen as impactful, potentially shifting perceptions about holocephalan evolution and feeding strategies, though some posts mainly share enthusiasm rather than detailed critique.

Abstract in brief

  • The study reveals that a fossilized early holocephalan, iniopterygian, had a musculoskeletal structure similar to modern holocephalans but was likely adapted for high-performance suction feeding rather than shell-cracking, which was previously assumed.
  • Using 3D imaging, researchers found that this ancient species had a small, expandable mouth and strong muscular connections suited for suction feeding, a trait not seen in living holocephalans, indicating a broader ecological role in early marine ecosystems.
  • Overall, these findings challenge the traditional view that durophagy was central to holocephalan evolution and highlight their diverse ecological niches, with some early members evolving specialized feeding strategies more comparable to modern tetrapod suction feeders than to their shark relatives.
Read the full abstract

Top posts

Most liked on X and Bluesky
Richard Dearden
@Euphanerops · X

Check out our

Jan 18, 2023 · 156 likes · 54 shares · 805 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | Proceedings of the National Academy of Sciences https://t.co/kLwFmo4Ygm

Jan 19, 2023 · 16 likes · 2 shares · 31,774 followers View post →
Sergio González Mora
@PhylumBryozoa · X

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | PNAS https://t.co/ZXLRnWIPDs

Jan 17, 2023 · 13 likes · 2 shares · 986 followers View post →
PNASNews
@PNASNews · X

Suction feeding—using the mouth to suck in prey—has evolved many times in jawed fishes. The only group it was not found in was the holocephalans. The signs of suction feeding are described in an extinct holocephalan from the Carboniferous Period. In PNAS: https://t.co/n5rwoQWjFQ https://t.co/amsPAoStPt

Jan 19, 2023 · 5 likes · 2 shares · 181,263 followers View post →
Chase Brownstein
@ChaseBrownstein · X

https://t.co/xIkzar6ll5 Check this out!

Jan 18, 2023 · 3 likes · 1,768 followers View post →
‘EWA WAHINE’ONIUHINUI (she/they/it)
@Evoincarnate · X

https://t.co/NiYWO9m6u0 iniopterygian jaw muscles and https://t.co/50D2v4uCA8 Anatomy of modern chimaera pelvis

Jan 4, 2024 · 1 like · 2,964 followers View post →

All mentions

魚豊魚
@fe0555 · X

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Aug 8, 2025 · 54 shares · 1,097 followers View post →
‘EWA WAHINE’ONIUHINUI (she/they/it)
@Evoincarnate · X

https://t.co/NiYWO9m6u0 iniopterygian jaw muscles and https://t.co/50D2v4uCA8 Anatomy of modern chimaera pelvis

Jan 4, 2024 · 1 like · 2,964 followers View post →
Fra
@FmWild57 · X

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Feb 9, 2023 · 54 shares · 339 followers View post →
‘EWA WAHINE’ONIUHINUI (she/they/it)
@Evoincarnate · X

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Feb 6, 2023 · 54 shares · 2,964 followers View post →
Brendan Lee
@Brendan64291079 · X

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | Proceedings of the National Academy of Sciences https://t.co/3NvuVvqUpE

Jan 20, 2023 · 27 followers View post →
John Clarke
@jclarkepaleo · X

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Jan 20, 2023 · 54 shares · 3,076 followers View post →
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@BenjaminRAYNAU2 · X

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Jan 20, 2023 · 54 shares · 209 followers View post →
Grimlock108
@Archosaur2000 · X

RT @TomHoltzPaleo: Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | Proceedings of the…

Jan 19, 2023 · 2 shares · 193 followers View post →
Augustus Sean Villanueva
@augustus_sean · X

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(福) Jeff Day
@jeffday · X

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@ellieleigh96 · X

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@OswaldoGomezS · X

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Jan 19, 2023 · 54 shares · 566 followers View post →
田中順也@古生物のしたたかな生き方
@tanituki · X

RT @TomHoltzPaleo: Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | Proceedings of the…

Jan 19, 2023 · 2 shares · 2,127 followers View post →
Maura Matus
@MauraMatus · X

RT @PNASNews: Suction feeding—using the mouth to suck in prey—has evolved many times in jawed fishes. The only group it was not found in wa…

Jan 19, 2023 · 2 shares · 166 followers View post →
PNASNews
@PNASNews · X

Suction feeding—using the mouth to suck in prey—has evolved many times in jawed fishes. The only group it was not found in was the holocephalans. The signs of suction feeding are described in an extinct holocephalan from the Carboniferous Period. In PNAS: https://t.co/n5rwoQWjFQ https://t.co/amsPAoStPt

Jan 19, 2023 · 5 likes · 2 shares · 181,263 followers View post →
Thomas R. Holtz, Jr.
@TomHoltzPaleo · X

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | Proceedings of the National Academy of Sciences https://t.co/kLwFmo4Ygm

Jan 19, 2023 · 16 likes · 2 shares · 31,774 followers View post →
PaleoConéctate_ULL
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Jan 19, 2023 · 54 shares · 765 followers View post →
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@fe0555 · X

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@Friedman_Lab · X

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@LukeEMeade · X

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@Euphanerops · X

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Jan 18, 2023 · 156 likes · 54 shares · 805 followers View post →
Richard Cloutier
@RichardClouti20 · X

RT @PhylumBryozoa: Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | PNAS https://t.co/…

Jan 18, 2023 · 2 shares · 337 followers View post →
Richi De Mendoza
@PaleoDucks · X

RT @PhylumBryozoa: Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | PNAS https://t.co/…

Jan 17, 2023 · 2 shares · 478 followers View post →
Sergio González Mora
@PhylumBryozoa · X

Evidence for high-performance suction feeding in the Pennsylvanian stem-group holocephalan Iniopera | PNAS https://t.co/ZXLRnWIPDs

Jan 17, 2023 · 13 likes · 2 shares · 986 followers View post →