Cothurnocystis
Sign in to saveCothurnocystis is a genus of small enigmatic echinoderms that lived during the Ordovician. Individual animals had a flat boot-shaped body and a thin rod-shaped appendage that may be a stem, or analogous to a foot or a tail. Fossils of Cothurnocystis species have been found in Nevada, Scotland, Czech Republic, France and Morocco.
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Within Vinony's link graph, Cothurnocystis is referenced by 7 other articles, and connects out to symmetry in biology, Animalia and International Standard Book Number.
It sits within the topics Fossils of France, Fossils of Great Britain and Fossils of Morocco.
Its subject is documented across 5 Wikipedia language editions.
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Cothurnocystis is a genus of small enigmatic echinoderms that lived during the Ordovician. Individual animals had a flat boot-shaped body and a thin rod-shaped appendage that may be a stem, or analogous to a foot or a tail. Fossils of Cothurnocystis species have been found in Nevada, Scotland, Czech Republic, France and Morocco.
== Taxonomy == The position of the Stylophora, of which Cothurnocystis is a prominent representative, has been in a state of flux. Some scientists claim to be able to see a structurally very basic notochord in the tail, and consequently consider the Stylophora to be a group of primitive chordates, calling them the "Calcichordata". Alternatively these animals are considered related to echinoderms, as the shell (or test) is similar in structure and composition to the tests of echinoderms. However, stylophorans are asymmetric organisms that lack either the radial symmetry typical of most echinoderms, or the bilateral symmetry of the chordates.
Excerpted from Wikipedia’s “Cothurnocystis” article, available under the CC BY-SA 4.0 licence.