Zurcheria
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Template:Short description Template:Automatic taxobox
Zurcheria is a genus of dwarf ammonites from the Middle Jurassic included in the Hammatoceratidae[1] and lacking a keel. The shell is evolute, inner whorls exposed; whorls compressed and slightly overlapping. Bears ribs, which are sinuous folds that project strongly onto the arched venter.
References
- Notes
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- Bibliography
- W.J. Arkell, et al., 1957. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Geological Society of America and University of Kansas Press.