Gymnites
genus of molluscs (fossil)
Gymnites is a genus of ammonoid cephalopod from the Middle Triassic belonging to the ceratitid family Gymnitidae. These nektonic carnivores lived during the Triassic period, the Anisian age.
Species
Gymnites aghdarbandensis Krystyn and Tatzreiter 1991
Gymnites asseretoi Tozer 1972
Gymnites billingsi Bucher 1989
Gymnites calli Smith 1914
Gymnites compressus Tozer 1994
Gymnites evolutus Shevyrev 1995
Gymnites humboldti Mojsisovics 1882
Gymnites incultus Beyrich 1867
Gymnites machangpingensis Zhao and Wang 1974
Gymnites perplanus Meek 1877
Gymnites petilus Wang and Chen 1979
Gymnites procerus Tozer 1994
Gymnites robinsoni Shevyrev 1995
Gymnites toulai Arthaber 1914
Gymnites tozeri Bucher 1992
Gymnites tregorum Silberling and Nichols 1982
Gymnites vastesellatus Welter 1915
Description
The shell of Gymnites is evolute, generally smooth, with a wide umbilicus. Whorls are moderately embracing, whorl section oval and somewhat compressed. The outer whorl may be costate have rows of nodes, or both. The suture is ammonitic with a wide bifurcated ventral lobe and two lateral lobes on either side.
Taxonomic relation
Hyatt and Smith (1905, p. 115)included Gymnites in the Gymnitidae along with Ophiceras, Flemingites, and Xenaspis, genera since assigned elsewhere, and included the Gymnitidae in the suborder Ceratitoidea (now the superfamily Ceratitaceae). Smith (1932, p. 30) shows Gymenites derived from Xenaspis and giving rise to the Pinacoceratidae.
The public source identifies “Gymnites” as genus of molluscs (fossil). This brief keeps that definition visible, then builds a research path around Gymnites, genus and molluscs.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Dec 4, 2025. The linked authority identifier is Q5624497. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1991, 1972, 1989 and 1914.
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This entry incorporates text from “Gymnites” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.