{{Short description|Genus of molluscs (fossil)}} {{Automatic taxobox | fossil_range = Cretaceous, {{fossil range|136.4|125.45}}<ref name=fa>{{cite web |url= https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=14983 |title= Hemihoplites |publisher= fossilworks}}</ref> | image = Hemihoplitidae - Hemihoplites soulieri.JPG | image_caption = Fossil shells of ''Hemihoplites soulieri'' from Alpes-de-Haute-Provence, on display at Galerie de paléontologie et d'anatomie comparée in Paris | taxon = Hemihoplites | authority = Spath, 1924 | synonyms = }} [[File:Hemihoplites orbignyanus (Matheron), Upper Barremian, Brestak (Coll. St. Breskovski) at the Sofia University 'St. Kliment Ohridski' Museum of Paleontology and Historical Geology.jpg|thumb|200 px|''Hemihoplites orbignyanus'' (Matheron), Upper Barremian, Brestak (Coll. St. Breskovski) at the Sofia University Museum of Paleontology and Historical Geology]]
'''''Hemihoplites''''' is an extinct genus of ammonoid cephalopods belonging to the family Hemihoplitidae.<ref name=Wright>{{smallcaps|Wright, C. W.}} with {{smallcaps|Callomon, J.H.}} and {{smallcaps|Howarth, M.K.}} (1996), ''Mollusca 4 Revised , Cretaceous Ammonoidea'', vol. 4, in ''Treatise on Invertebrate Paleontology'', Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, pp. 228, 231.</ref> These fast-moving nektonic carnivores<ref name=fa/> lived in the Cretaceous period, from the Hauterivian age to the Barremian age.<ref name=fb>Sepkoski, Jack [http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class Sepkoski's Online Genus Database – Cephalopoda]</ref>
== Description ==
It is evolute, compressed. The Whorl section is rectangular. The ribs are simple or branching or long or short, well spaced, straight or slightly flexuous, crossing flat venter transversely, typically with distinct umbilical and ventrolateral tubercles.<ref name=Wright/>
==Species==
* ''Hemihoplites feraudianus'' <small>(d'Orbigny, 1841)</small> * ''Hemihoplites mexicanus'' <small>Imlay, 1940</small> * ''Hemihoplites ploszkiewiczi'' <small>Riccardi and Aguirre Urreta, 1989</small> * ''Hemihoplites soulieri'' <small>(Matheron, 1878)</small> * ''Hemihoplites varicostatus'' <small>Riccardi and Aguirre Urreta, 1989</small>
==Distribution== Fossils of species within this genus have been found in the Cretaceous rocks of Antarctida (Alexander Island), Bulgaria, southeastern France, Mexico, Slovakia, South Africa and Trinidad and Tobago.<ref name=fa/>
==References== {{Reflist}}
== External links == * {{cite web |url=https://www.mindat.org/taxon-4621515.html |publisher= mindat.org|title= Hemihoplites |access-date= 15 June 2022}} * {{Cite book |last=Wright |first= Claud William; with John Hannes Callomon and M.K. Howarth |year=1996 |title= Mollusca 4 Revised, Cretaceous Ammonoidea in ''Treatise on Invertebrate Paleontology'' Part L |editor = Roger L. Kaesler |publisher= The Geological Society of America & University of Kansas Press|place= Boulder, Colorado and Lawrence, Kansas |url=https://archive.org/details/treatiseoninvert0000join/page/n3/mode/2up?view=theater |url-access= registration |page=[https://archive.org/details/treatiseoninvert0000join/page/228/mode/2up?view=theater 228]}}
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Category:Cretaceous ammonites Category:Ammonites of Europe Category:Ammonitida genera Category:Ancyloceratoidea Category:Cretaceous France Category:Fossils of France Category:Fossils of Antarctica Category:Ammonites of North America
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