Desmoceratoidea, formerly Desmocerataceae, is a superfamily of Cretaceous ammonites, generally with round or oval-whorled shells that are mostly smooth or weakly ribbed and rarely tuberculate, but commonly with constrictions. Regarded as monophyletic, the Desmocerataceae are derived from the Phylloceratidae, splitting off in the Early Cretaceous (Valanginian) and persisting to the end of the Maastrichtian.
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| - Desmoceratoidea (en)
- デスモセラス上科 (ja)
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| - Desmoceratoidea, formerly Desmocerataceae, is a superfamily of Cretaceous ammonites, generally with round or oval-whorled shells that are mostly smooth or weakly ribbed and rarely tuberculate, but commonly with constrictions. Regarded as monophyletic, the Desmocerataceae are derived from the Phylloceratidae, splitting off in the Early Cretaceous (Valanginian) and persisting to the end of the Maastrichtian. (en)
- デスモセラス上科(Desmoceratoidea、以前はデスモセラス上科)は白亜紀のアンモナイトの上科であり、一般に円形または楕円形の渦巻き状の殻を持ち、ほとんどが滑らかまたは弱くリブがあり、結節状になることはめったに無いが、通常はくびれがある。 単系統とみなされるデスモセラス科は、に由来し、 前期白亜紀(バランギニアン)に分裂し、マーストリヒチアンの終わりまで存続する。 (ja)
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| - Desmoceras sp. – Lower cretaceous from Mahajanga, Madagascar (en)
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| - * Desmoceratidae
* Holcodiscidae
* Kossmaticeratidae
* Muniericeratidae
* Pachydiscidae
* Silesitidae (en)
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| - Desmoceratoidea, formerly Desmocerataceae, is a superfamily of Cretaceous ammonites, generally with round or oval-whorled shells that are mostly smooth or weakly ribbed and rarely tuberculate, but commonly with constrictions. Regarded as monophyletic, the Desmocerataceae are derived from the Phylloceratidae, splitting off in the Early Cretaceous (Valanginian) and persisting to the end of the Maastrichtian. (en)
- デスモセラス上科(Desmoceratoidea、以前はデスモセラス上科)は白亜紀のアンモナイトの上科であり、一般に円形または楕円形の渦巻き状の殻を持ち、ほとんどが滑らかまたは弱くリブがあり、結節状になることはめったに無いが、通常はくびれがある。 単系統とみなされるデスモセラス科は、に由来し、 前期白亜紀(バランギニアン)に分裂し、マーストリヒチアンの終わりまで存続する。 (ja)
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