Pleuroacanthites
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''Pleuroacanthites'' is one of two genera included in the Early Jurassic
Pleuroacanthitidae Pleuroacanthitidae is a small family of Lower Jurassic Ammonoidea, ammonoids that combines some characters of the Lytoceratina, Phylloceratina, and earliest Ammonitida, as well as special characters of its own. It is subdivided (Arkell ''et al. ...
and sole representative of the subfamily Pleuroacanthitinae. The shell of ''Pleuroacanthites'' is very evolute, with numerous whorls subcircular in section becoming incipiently keeled in the adult. Early whorls have parabolic nodes, later whorls are covered with oblique line which form a long ventral sinus. Sutures have lytoceratid (moss-like) lobes but more or less phylloid saddle endings.


Distribution

Jurassic deposits in British Columbia, China and Alaska Paleobiology Database - Pleuroacanthites
2017-10-18.


References

* W.J Arkell ''et al''., Systematic Descriptions, Mesozoic Ammonoidea,
Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology'' (or ''TIP'') published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and co ...
, Part L (1957) p. L193 {{Taxonbar, from=Q16948812 Jurassic ammonites Ammonite genera Ammonites of North America