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Words near each other
・ Thalexweiler
・ Thalassiosira symmetrica
・ Thalassiosira weissflogii
・ Thalassiosirales
・ Thalassisobates
・ Thalassius
・ Thalassius albocinctus
・ Thalassius of Syria
・ Thalassoascus
・ Thalassobacter
・ Thalassobathia
・ Thalassobius
・ Thalassobius (beetle)
・ Thalassocalycida
・ Thalassoceratidae
Thalassoceratoidea
・ Thalassocnus
・ Thalassocracy
・ Thalassocyon
・ Thalassocyon bonus
・ Thalassocyon tui
・ Thalassocyon wareni
・ Thalassocystis
・ Thalassodendron
・ Thalassodendron ciliatum
・ Thalassodes
・ Thalassodes chloropsis
・ Thalassodes hyraria
・ Thalassodes opalina
・ Thalassodes quadraria


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Thalassoceratoidea : ウィキペディア英語版
Thalassoceratoidea

Thalassoceratoidea, formerly Thalassocerataceae, is a superfamily of Late Paleozoic〔(【引用サイトリンク】url=http://paleodb.org/cgi-bin/bridge.pl?a=checkTaxonInfo&taxon_no=93047&is_real_user=1 )〕 ammonites characterized by their thick-discoidal to subglobular, involute shells with narrow or closed umbilici and biconvex growth striae with ventral sinuses. The ventral lobe of the suture, which straddles the outer rim, is wide, and bifid, with a tall median saddle.
Thallassoceratoidea are gonitites and one of seventeen superfamilies in the Goniatitina suborder. Two families are now included, Bisatoceratidae and Thalassoceratidae. The somewhat older but overlapping Bisatoceratidae used to be included as a subfamily in the Goniatitidae. Thalassoceratidae was included in the Dimorphocerataceae.
==References==

*
*Thalassoceratoidea in (GONIAT ) 6/14/12

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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