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・ Pseudohadena gorbunovi
・ Pseudohadena magnitudinis
・ Pseudohadena pseudamoena
・ Pseudohaetera
・ Pseudohaetera hypaesia
・ Pseudohaje
・ Pseudohaje goldii
・ Pseudohaje nigra
・ Pseudohallucination
・ Pseudohalogen
・ Pseudohalonectria
・ Pseudohaloritidae
・ Pseudohaloritinae
・ Pseudohaloritoidea
・ Pseudohandelia
Pseudohaploceras
・ Pseudoharpax virescens
・ Pseudoharpax virescens virescens
・ Pseudoharpya opulenta
・ Pseudohastites
・ Pseudohecyra lutulenta
・ Pseudohedya
・ Pseudohelenoconcha
・ Pseudohelenoconcha spurca
・ Pseudohelotium
・ Pseudohemiceras
・ Pseudohemiculter
・ Pseudohemihyalea
・ Pseudohemihyalea ambigua
・ Pseudohemihyalea anapheoides


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

''Pseuohaploceras'' is a desmosceratid ammonite genus from the Lower Cretaceous. The genus is distinguished by its moderately involute, slightly to moderately compressed shell with convex sides and regular straight or sinuous constrictions between which are fairly fine, distinct, sharp or rounded branching ribs extending from the umbilical edge and crossing the venter, the outer rim.
''Pseudohaploceras'' is considered an offshoot of early ''Valdedorsella'', which differ in having a more broadly rounded whorl section and generally straight radial constrictions. It is included in the subfamily Pizosiinae.
==References==

* W.J. Arkell, et al., 1957. Mesozoic Ammonoidea L363, ''Treatise on Invertebrate Paleontology'', Part L, Ammonoidea. Geological Society of America and Univ Kansas Press.

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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