Bredyia

Bredyia is a genus of ammonites from the lower part of the Middle Jurassic, found in Europe and North America.

Bredyia
Temporal range: Middle Jurassic
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Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Superfamily:
Hildoceratoidea
Family:
Hammatoceratidae
Genus:
Bredyia

(Buckman, 1910)

Bredyia is a member of the Hammatoceratidae, a family which comprises part of the Hildoceratoidea. Its shell is involute, strongly ribbed, with a small umbilicus. Whorls are strongly embracing; ribs thick, radially straight on the sides, curves forward on the venter but do not meet. The sides or flanks are outwardly bowed. The venter has a narrow keel and may be fastigate, like a gable roof.

References
  • W.J. Arkell et al., 1957. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L, Ammonoidea. Geological Society of America.
  • Bredyia in Fossilworks Gateway
  • Hammatoceratidae in Ammonites et Autres Spirales (Fr).


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