ENSIKLOPEDIA Cari Tekan Enter untuk memulai pencarian cepat. Kembali ke Ensiklopedia Arsip Wikipedia Indonesia Petraster PetrasterExtinct genus of starfish PetrasterTemporal range: 449.5–418.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N Petraster sp. Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: Asteroidea Genus: †PetrasterBillings, 1858 Species[1] †Coelaster americanus (d'Orbigny, 1850) †Palasterina kinahani (Baily, 1878) †Palasterina ramseyensis (Hicks, 1873) †Palasterina rigidus (Billings, 1857) †Petraster angustior Withers & Keble, 1934 †Petraster crozonensis Blake et al., 2016 †Petraster richi Withers & Keble, 1934 †Petraster smythi McCoy, 1874 Synonyms[2] Uranaster Gregory, 1899 Petraster is a genus of extinct starfish that lived from the upper Ordovician to the late Silurian.[2][3] The genus has a large distribution range, fossils have been found in North America, and Australia.[3] P. kinahani References ↑ "Petraster". Global Biodiversity Information Facility. Retrieved 22 December 2021. 1 2 "Petraster". Paleobiology Database. Retrieved 22 December 2021. 1 2 "Petraster †". mindat.org. Taxon identifiersPetraster Wikidata: Q21078315 GBIF: 4872699 IRMNG: 1273210 Open Tree of Life: 4147208 Paleobiology Database: 31368
