Some new post- Paleozoic sea stars ( Asteroidea: Echinodermata) and comments on taxon endurance.

Research output: Contribution to journalArticlepeer-review

Abstract

Five Jurassic through Oligocene sea stars are described; all are assignable to modern genera and two (Tethyaster jurassicus; Mediaster hayi) represent new species. Tethyaster and Pseudarchaster are morphologically similar but represent separate orders; occurrence of both in Jurassic sediments suggests close common ancestry. Many post-Paleozoic sea stars appear enduring, perhaps because of broad ecological tolerances and construction; the fossils described here probably are not unique as asteroid living fossils. -Author

Original languageEnglish (US)
Pages (from-to)1103-1119
Number of pages17
JournalJournal of Paleontology
Volume60
Issue number5
DOIs
StatePublished - 1986

ASJC Scopus subject areas

  • Palaeontology

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