Berriasellinae
Berriasellinae is a subfamily of very late Jurassic and very early Cretaceous perisphinctoid ammonites in the family Neocomitidae. Berriasellinae comprises generally compressed, evolute genera, typically with furcated ribbing, and in some a smooth ventral band or groove. Berriasellinae are derived from the Ataxioceratidae and gave rise to the other Neocomitidae. The short lived Himalayitidae from the uppermost Jurassic have a similar appearance but differ in being generally broader and having sharper ribbing.
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Berriasellinae
Berriasellinae is a subfamily of very late Jurassic and very early Cretaceous perisphinctoid ammonites in the family Neocomitidae. Berriasellinae comprises generally compressed, evolute genera, typically with furcated ribbing, and in some a smooth ventral band or groove. Berriasellinae are derived from the Ataxioceratidae and gave rise to the other Neocomitidae. The short lived Himalayitidae from the uppermost Jurassic have a similar appearance but differ in being generally broader and having sharper ribbing.
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Berriasellinae is a subfamily ...... , , , Raimondiceras, , , and .
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29,784,876
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authority
Spath, 1922
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image caption
Fossil shell of Berriasella ja ...... t d'anatomie comparée in Paris
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subdivision
*See text
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subdivision ranks
Genera
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synonyms
Berriasellidae
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taxon
Berriasellinae
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Berriasellinae is a subfamily ...... er and having sharper ribbing.
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label
Berriasellinae
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