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・ Haploa
・ Haploa clymene
・ Haploa colona
・ Haploa confusa
・ Haploa contigua
・ Haploa lecontei
・ Haploa reversa
・ Haplobasidion musae
・ Haploblepharus
・ Haplobothynus
・ Haplocambids
・ Haplocanthosaurus
・ Haplocarpha
・ Haploceras
・ Haploceratidae
Haploceratoidea
・ Haploceros
・ Haplocestra
・ Haplocheirus
・ Haplochela
・ Haplochela trigonota
・ Haplochorema
・ Haplochrois
・ Haplochrois albanica
・ Haplochrois bipunctella
・ Haplochrois buvati
・ Haplochrois chlorometalla
・ Haplochrois coleophorella
・ Haplochrois galapagosalis
・ Haplochrois ganota


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

Haploceratoidea, formerly Haplocerataceae, is a superfamily of ammonoid cephalopods belonging to the Ammonitida that unites three families, Strigoceratidae, Oppeliidae, and Haploceratidae, listed below.
Haploceratoidea begins with all three families in the lower Middle Jurassic, Bajocian. Strigoceratidae is limited to the Bajocian but Oppeliidae, and Haploceratidae extend through the remaining Jurassic, well into the Cretaceous; the Oppeliidae into the middle Albian, the Haplocertidae only into the Valanginian.
==Diagnosis==
Haploceratoidea are typically compressed, discoidal Ammontida that may be keeled or unkeeled, tending to be oxyconic, with usually falcoid or falcate ribbing. The aptychi are paired and differ between families and have been found ''in situ'' in e.g. ''Oppelia subrudiata'' and in ''Pseudolissoceras''.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Haploceratoidea」の詳細全文を読む



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