HOME

TheInfoList



OR:

''Sutneria'' is a genus of small
ammonite 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 cuttlefish) ...
s from the
Upper Jurassic The Late Jurassic is the third epoch of the Jurassic Period, and it spans the geologic time from 163.5 ± 1.0 to 145.0 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic strata.Owen 1987. In European lithostratigraphy, the name ...
(Kimmeridgian) of Europe (Germany). Its shell is generally evolute with a narrowly rounded whorl section and tubercles along the lower flanks. ''Sutneria'' is assigned to the Aulicostephanidae, part of the superfamily
Perisphinctoidea Perisphinctoidea, formerly Perisphinctaceae, is a superfamily of Middle Jurassic (Bajocian) to Lower Cretaceous (Barremian) ammonites, commonly with evolute shells with strong ribbing that typically divides about mid flank before crossing the ven ...
.


References


Sutneria playnota
in jsdammonites.f

*Donovan, D.t. et al. 1981. Classification of the Jurassic Ammonitina. The Ammonoidea, Systematics Assoc. special volume 18 Ammonitida Jurassic ammonites {{paleo-cephalopod-stub