Two new multiarmed Paleozoic (Mississippian) asteroids (Echinodermata) and some paleobiologic implications

D. B. Blake; T. E. Guensburg

doi:10.1017/S0022336000019491

Two new multiarmed Paleozoic (Mississippian) asteroids (Echinodermata) and some paleobiologic implications

D. B. Blake, T. E. Guensburg

Geology

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Abstract

Lacertasterias elegans and Schondorfia fungosa are new genera and species of multiarmed asteroids described from the Kinderhookian? (Mississippian) Gilmore City Formation of Iowa and the Chesterian (Mississippian) Haney Formation of Illinois, respectively. Based on ambulacral construction, the former belongs to the Paleozoic asteroid stem group whereas the latter is distinct from but closer to post-Paleozoic asteroids. Both new genera share important similarities with modern multiarmed predators, implying a predatory life mode for the fossils. -from Authors

Original language	English (US)
Pages (from-to)	331-340
Number of pages	10
Journal	Journal of Paleontology
Volume	63
Issue number	3
DOIs	https://doi.org/10.1017/S0022336000019491
State	Published - 1989

ASJC Scopus subject areas

Palaeontology

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10.1017/S0022336000019491

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abstract = "Lacertasterias elegans and Schondorfia fungosa are new genera and species of multiarmed asteroids described from the Kinderhookian? (Mississippian) Gilmore City Formation of Iowa and the Chesterian (Mississippian) Haney Formation of Illinois, respectively. Based on ambulacral construction, the former belongs to the Paleozoic asteroid stem group whereas the latter is distinct from but closer to post-Paleozoic asteroids. Both new genera share important similarities with modern multiarmed predators, implying a predatory life mode for the fossils. -from Authors",

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year = "1989",

doi = "10.1017/S0022336000019491",

language = "English (US)",

volume = "63",

pages = "331--340",

journal = "Journal of Paleontology",

issn = "0022-3360",

publisher = "Paleontological Society",

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T1 - Two new multiarmed Paleozoic (Mississippian) asteroids (Echinodermata) and some paleobiologic implications

AU - Blake, D. B.

AU - Guensburg, T. E.

PY - 1989

Y1 - 1989

N2 - Lacertasterias elegans and Schondorfia fungosa are new genera and species of multiarmed asteroids described from the Kinderhookian? (Mississippian) Gilmore City Formation of Iowa and the Chesterian (Mississippian) Haney Formation of Illinois, respectively. Based on ambulacral construction, the former belongs to the Paleozoic asteroid stem group whereas the latter is distinct from but closer to post-Paleozoic asteroids. Both new genera share important similarities with modern multiarmed predators, implying a predatory life mode for the fossils. -from Authors

AB - Lacertasterias elegans and Schondorfia fungosa are new genera and species of multiarmed asteroids described from the Kinderhookian? (Mississippian) Gilmore City Formation of Iowa and the Chesterian (Mississippian) Haney Formation of Illinois, respectively. Based on ambulacral construction, the former belongs to the Paleozoic asteroid stem group whereas the latter is distinct from but closer to post-Paleozoic asteroids. Both new genera share important similarities with modern multiarmed predators, implying a predatory life mode for the fossils. -from Authors

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IS - 3

ER -

Two new multiarmed Paleozoic (Mississippian) asteroids (Echinodermata) and some paleobiologic implications

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