ECB-ART-44242
Naturwissenschaften
2015 Oct 01;1029-10:60. doi: 10.1007/s00114-015-1310-7.
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Troglomorphism in the middle Triassic crinoids from Poland.
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In this paper, we document the Middle Triassic marine fauna recovered from the fissure/cave system of Stare Gliny (southern Poland) developed in the Devonian host dolomite. The fossils are mostly represented by in situ preserved and small-sized holdfasts of crinoids (Crinoidea) that are attached to the cave walls. Other fossils found in the cave infills include articulated brittle stars and brachiopods. Our findings constitute the oldest Mesozoic evidence for troglophile crinoids. We suggest that troglomorphism in these echinoderms was likely related to protection against predation, which underscores the magnitude of anti-predatory adaptations to increased predation pressure that occurred during the Early Mesozoic Marine Revolution.
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References [+] :
Baumiller,
Post-Paleozoic crinoid radiation in response to benthic predation preceded the Mesozoic marine revolution.
2010, Pubmed,
Echinobase