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Oppeliinae

From Wikipedia, the free encyclopedia

Oppeliinae
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Family: †Oppeliidae
Subfamily: †Oppeliinae
Bonarelli, 1894
Genera

See text

Oppeliinae is a subfamily within the Oppeliidae, a family of Jurassic ammonites characterized by forms that are mainly oxyconic, compressed with sharp venters, in the adult and with keeled inner whorls. Sutures are complex, consisting of a long series of evenly graded lobes and saddles with finely frilled endings.[1]

The Oppeliinae gave rise to the Hecticoceratinae in the early Bathonian stage, near the middle of their range and to the Taramelliceratinae, in the late Callovian, near the end of their tange, which in turn gave rise to the Streblitinae in the early Kimmeridgian and to the Haploceratidae in the late Kimmeridgian.[2]

Distribution is worldwide, from the Middle Jurassic, except for Boreal regions.

List of genera

The Oppeliinae includes the following genera,[1] listed in order of appearance.

Bradfordia
Oppelia
Oxycerites
Paralcidia
Strugia
Trimargina
Magharina
Oecostraustes
Stregoxites

References

  1. ^ a b Treatise on Invertebrate Paleontology Part L L274,(Ammonoidea)
  2. ^ Classification of Jurassic Ammonitina, D.T. Donovan, et al. Systematics Assoc no 18


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This page was last edited on 29 April 2021, at 00:57
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