Keyserlingitinae is a subfamily of the
Sibiritidae
Sibiritidae constitutes a family of ceratitid ammonites described in the Treatise, Part L, 1957, as ribbed or teberculate derivatives of Meekoceritidae with modification of the venter from mere widening and transverse ribbing to sulcation (bein ...
, Early Triassic
Ammonoidea
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttle ...
. Shells tend to have subquadrate whorl sections as in ''Durgaites'' and ''Kyserlingites'' and to be strongly ribbed or nodose or both.
Genera
The Keyserlingitinae includes
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Kyserlingites''
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Durgaites''
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Goricanites
''Goricanites'' is a ceratitid ammonoid cephalopod known only from the Lower Triassic Union Wash formation of California (USA). This fossil is included in the family Sibiritidae
Sibiritidae constitutes a family of ceratitid ammonites describe ...
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Olenekoceras
''Olenekoceras'' is an ammonoid cephalopod from the Lower Triassic included in the ceratitid family Sibiritidae, once included in the Noritaceae but now in the Ceratitaceae
Ceratitoidea, formerly Ceratitaceae, is an ammonite superfamily in o ...
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Pseudokeyserlingites''
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Subolenekites''
References
* W.J. Arkell, et al., 1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press.
Keyserlingitinae Paleod
Triassic ammonites
Ceratitoidea
{{ceratitida-stub