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Echinoidea source details

Kier, P. M. 1977. Triassic echinoids. Smithsonian Contributions to Paleobiology 30, iv+1-88.
175926
10.5479/si.00810266.30.1 [view]
Kier, P. M.
1977
Triassic Echinoids
Smithsonian Contributions to Paleobiology
(30), 1-88
Publication
Although 142 species of Triassic echinoids have been reported, only 24 are based on sufficient material to permit reliable generic identification. These species are redescribed and illustrated. Twelve of them are from the St. Cassian Beds in the Italian Dolomites. A large collection of specimens from these beds is described, from which are erected two new species, Megaporocidaris mariana and Levicidaris zardinia, and five new genera: Zardinechinus, a miocidarid, Paurocidaris and Leurocidaris, cidarids, and the psychocidarids, Levicidaris and Megaporocidaris. A new pedinoid, Hemipedina hudsoni, is described from the Norian of Arabia. During the Early and Middle Triassic, only flexible miocidarids were present. Apparently all Mesozoic echinoids are descended from them. The first cidarids occur in the Late Triassic (Karnian) together with the first psychocidarids. The first certain pedinoid appears in the Norian. Finally at the close of the Triassic, in the Rhaetian, the first hemicidaroi
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2014-03-21 09:59:04Z
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Hemipedina hudsoni Kier, 1977 † (original description)
Levicidaris Kier, 1977 † (original description)
Levicidaris zardinia Kier, 1977 † (original description)
Megaporocidaris Kier, 1977 † (original description)
Megaporocidaris mariana Kier, 1977 † (original description)
 Fossil range

Norian, Late Triassic [details]

 Fossil range

Early Carnian, Late Triassic [details]

 Fossil range

Early Carnian, Late Triassic [details]

 Stratigraphy

Elphinstone Group, probably Sumatra Formation [details]

 Stratigraphy

St. Cassian Beds [details]

 Stratigraphy

St. Cassian Beds [details]

 Type locality

Wadi Milaha, Trucial Coast, Arabia [details]

 Type locality

Alpe di Specie, Miurina, Bao Staolin and Tamarin, Italy [details]

 Type locality

Alpe di Specie and Miurina, Italy [details]

 Type material

HT: BMNH E-76154 [details]

 Type material

HT: MCA 148-S-So.-T; PT: MCA 147-S-L, 151-M-Z [details]

 Type material

HT: MCA 2728-S-L; PT: MCA 176-S-Z, 2729-S-L [details]


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