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Extinct class of marine invertebrates
Edrioasteroidea is an extinct class of echinoderms. The living animal would have resembled a pentamerously symmetrical disc or cushion. They were obligate
Edrioasteroidea
Streptaster vorticellatus (Edrioasteroidea)
List_of_echinoderm_orders
Marine phylum of animals often with radial symmetries
tentatively placed as the sister to all other echinoderms. Helicoplacoidea, Edrioasteroidea, and the entirety of Blastozoa join it in the stem group. Pelmatozoa
Echinoderm
Anatomical term
anatomical parts of the phylum Echinodermata or class Asteroidea and Edrioasteroidea. Echinoderms can have ambulacral parts that include ossicles, plates
Ambulacral
Extinct genus of marine invertebrates
common to all echinoderms. The ambulacrum is similar to that of the Edrioasteroidea; as a result, Helicoplacus may belong to Pelmatozoa. Other contemporaneous
Helicoplacus
Clade of echinoderms
the extinct (and possibly paraphyletic) Ophiocistioidea. However, Edrioasteroidea was also included in this version of Eleutherozoa. While this initially
Eleutherozoa
Precambrian fossil
pentamerous symmetry, some claim that it can be further classified into the Edrioasteroidea, a class of the echinoderms.[citation needed] This identification remains
Arkarua
Extinct family of marine invertebrates
Agelacrinitidae is an extinct family of prehistoric echinoderms in the class Edrioasteroidea. Sumrall 2009 Bell 1976, p. 8 Müller & Hahn 2010 Sumrall, Colin D.
Agelacrinitidae
Extinct genus of marine invertebrates
Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: †Edrioasteroidea (?) Order: †Camptostromatoida Family: †Camptostromatidae Genus: †Camptostroma
Camptostroma
Geologic formation in Czech Republic
blyskavensis Sinuitopsis neglecta Tentaculita Conchicolites confertus Edrioasteroidea Hemicystites bohemicus H. velatus Eocrinoidea Ascocystites drabowiensis
Letná_Formation
Extinct genus of echinoderms
Isorophus is an extinct genus of Echinoderm belonging to the class Edrioasteroidea. It is commonly found in deposits dating to the Ordovician period.
Isorophus
Subphylum of marine invertebrates
Asterozoa are unclear. It has been proposed to derive from either the Edrioasteroidea or the Crinoidea, but no form of either proposal has gained wide acceptance
Asterozoa
Fossil flora and fauna of the Burgess Shale
lyre. Walcottidiscus Edrioasteroidea Walcott Quarry This echinoderm is one of the earliest confirmed members of the edrioasteroidea, a grouping of pentagonally
Paleobiota of the Burgess Shale
Paleobiota_of_the_Burgess_Shale
Geologic formation in Ontario, Canada
sp. Encrinuroides sp. Flexicalymene sp. Hemiarges sp. Isotelus sp. Edrioasteroidea Thresherodiscus ramosus Cryptogoleus chapmani Isorophusella sp. Ostracods
Verulam_Formation
Topics referred to by the same term
C. elegans most commonly refers to the model round worm Caenorhabditis elegans. It may also refer to any of the species below. They are listed, first in
C._elegans_(disambiguation)
Extinct group of marine invertebrates
Ceratocystis. List of echinodermata orders Homalozoa Calcichordate Theory Edrioasteroidea Helicoplacoidea Blastozoa Stylophora in the Paleobiology Database Lefebvre
Stylophora
Cambrian (Wuliuan) Spence Shale United States ( Idaho Utah) A member of Edrioasteroidea; moved from Totiglobus spencensis Wen et al. (2019). Squamataster Gen
2025_in_paleontology
Extinct genus of marine invertebrates
Lepidodiscus is an extinct genus of prehistoric echinoderms in the class Edrioasteroidea. On Lepidodiscus Lebouri, a new Species of Agelacrinitidæ from the
Lepidodiscus_(echinoderm)
Geologic formation in China
rhynchonelliforms known from the Cambrian Kailidiscus K. chinensis Edrioasteroidea Strongly resembles other echinoderm clades in several features Globeocrinus
Kaili_Formation
Extinct genus of marine invertebrates
Rhenopyrgus is an extinct echinoderm in the class Edrioasteroidea, which existed during the Devonian in what is now France and Germany, the Ordovician
Rhenopyrgus
British geologist (1863–1934)
Echinoderms of Bakony (1909) Cystidea from Girvan (1913) Studies in Edrioasteroidea (1915) Lang, William Dickson (1934). "Francis Arthur Bather. 1863-1934"
Francis_Arthur_Bather
Extinct order of marine invertebrates
Isorophida is an extinct order of prehistoric echinoderms in the class Edrioasteroidea. Isorophids are characterized by a disc-shaped, dome-shaped or club-shaped
Isorophida
500.12468/771. S2CID 131161649. Peter Müller; Gerhard Hahn (2017). "Edrioasteroidea from the Seifen Formation of the Westerwald, Rhenish Slate Mountains
2017_in_paleontology
Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (EDRIOASTEROIDEA)". Bulletins of American Paleontology. 364: 560. Retrieved 2009-07-13
List_of_edrioasteroid_genera
Extinct genus of marine invertebrates
have one, but it is greatly reduced. Yorkicystis is a member of the edrioasteroidea, a class of echinoderms that lived by cementing themselves to hard
Yorkicystis
Geological formation in Ontario, Canada
Fiddlers Green Delthyris Delthyris sp. Fiddlers Green Delthyris eriensis Edrioasteroidea Pyrgocystis batheri Fiddlers Green Strophomenata Schuchertella sp.
Bertie_Group
Extinct genus of marine invertebrates
Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: †Edrioasteroidea Order: †incertae sedis Genus: †Walcottidiscus Bassler, 1935 Species
Walcottidiscus
1007/s12542-018-0404-x. S2CID 134726257. Peter Müller; Gerhard Hahn (2018). "Edrioasteroidea aus der Seifen-Formation (Siegenium, Unterdevon) des Westerwaldes,
2018 in echinoderm paleontology
2018_in_echinoderm_paleontology
Geologic formation in Spain
Aragocystites A. belli Edrioasteroidea A relatively basal edrioasteroid, related to Cambraster Cambraster C. tastudorum Edrioasteroidea First edrioasteroid
Mesones_Group
Lefebvre (2014). "Morphology and palaeoecology of a new edrioblastoid (Edrioasteroidea) from the Furongian of China". Acta Palaeontologica Polonica. 59 (4):
2014 in echinoderm paleontology
2014_in_echinoderm_paleontology
Extinct genus of marine invertebrates
Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: †Edrioasteroidea Order: †Stromatocystitida Family: †Stromatocystitidae Genus: †Cambraster
Cambraster
nov Valid Müller & Hahn Early Devonian Seifen Germany A member of Edrioasteroidea. The type species is S. ostara. Spiracarneyella Gen. et sp. nov Valid
2020_in_paleontology
Sumrall (2015). "New edrioasterine and astrocystitid (Echinodermata: Edrioasteroidea) from the Ninemile Shale (Lower Ordovician), central Nevada". Journal
2015_in_paleontology
Extinct genus of marine invertebrates
Scientific classification Kingdom: Animalia Phylum: Echinodermata Class: †Edrioasteroidea Order: †incertae sedis Genus: †Kailidiscus Zhao et al., 2010 Species:
Kailidiscus
1017/S0016756812000738. Peter Müller; Gerhard Hahn; Jan Bohatý (2013). "Agelacrinitid Edrioasteroidea (Echinodermata) from the Middle Devonian of the Eifel (Rhenish Massif
2013_in_paleontology
Silurian (Telychian) Jupiter Formation Canada ( Quebec) A member of Edrioasteroidea. Roveacrinus bifidus Sp. nov Valid Gale Late Cretaceous (Cenomanian)
2019_in_paleontology
of the Yu'anshan Formation China United States ( Utah) A member of Edrioasteroidea, possibly belonging to Edrioasterida. The type species is S. extenuatus;
2022_in_paleontology
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