| Dimerocrinites Fossil range: Silurian - Early Devonian |
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Dimerocrinites is an extinct genus of crinoid that lived from the Silurian to the Early Devonian of Australia and North America. The Silurian is a geologic period and system that extends from the end of the Ordovician period about 443 The Devonian is a geologic period and system of the Paleozoic era spanning from to  million years ago. Echinoderms (Phylum Echinodermata) are a phylum of marine Animals (including Sea stars) Crinoids, also known as sea lilies or feather-stars, are marine animals that make up the class Crinoidea of the Echinoderms (phylum Echinodermata Crinoids, also known as sea lilies or feather-stars, are marine animals that make up the class Crinoidea of the Echinoderms (phylum Echinodermata In Biology and Ecology, extinction is the cessation of existence of a Species or group of taxa. A genus (plural genera from Γένος Latin genus "descent family type gender" is a low-level Taxonomic Crinoids, also known as sea lilies or feather-stars, are marine animals that make up the class Crinoidea of the Echinoderms (phylum Echinodermata The Silurian is a geologic period and system that extends from the end of the Ordovician period about 443 The Devonian is a geologic period and system of the Paleozoic era spanning from to  million years ago. For a topic outline on this subject see List of basic Australia topics.