# Holcodiscidae

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Holcodiscidae
> Markdown URL: https://mediated.wiki/source/Holcodiscidae.md
> Source: https://en.wikipedia.org/wiki/Holcodiscidae
> Source revision: 1329394396
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Short description|Extinct family of ammonites}}
{{Automatic taxobox
| fossil_range = {{Fossilrange|140.2|84.9|[Cretaceous](/source/Cretaceous)}}
| image = Holcodiscidae - Spitidiscus species.JPG
| image_caption = ''[Spitidiscus](/source/Spitidiscus)'' species from [Alpes-de-Haute-Provence](/source/Alpes-de-Haute-Provence)
| taxon = Holcodiscidae
| authority = [Spath](/source/Leonard_Frank_Spath), 1923 
| synonyms_ref =
| synonyms = 
*Astieridiscidae<br><small>[Tzankov](/source/Vassil_Tzankov) & [Breskovski](/source/Stoycho_Vassilev_Breskovski), 1982</small>;
*Metahoplidae<br><small>[Tzankov](/source/Vassil_Tzankov) & [Breskovski](/source/Stoycho_Vassilev_Breskovski), 1982</small>
}}

'''Holcodiscidae''' is an [ammonite](/source/ammonite) family placed in the superfamily [Desmoceratoidea](/source/Desmoceratoidea).<ref name=fa>{{cite web |title = Holcodiscidae |publisher= Paleobiology Database |accessdate= 30 December 2021 |url= https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=131208}}</ref><ref name=wright>[https://www.worldcat.org/oclc/61988855 Wright, C. W. with J.H. Callomon and M.K. Howarth (1996),  ''Mollusca 4 Revised, Cretaceous Ammonoidea'', vol. 4],  in ''[Treatise on Invertebrate Paleontology](/source/Treatise_on_Invertebrate_Paleontology)'', Part L (Roger L. Kaesler et al. eds.), Boulder, Colorado: The Geological Society of America  & Lawrence, Kansas: University of Kansas Press, p. 48.</ref>

==Description==
Moderately involute with rounded, rectangular, or depressed whorl section; straight or sinuous, fine, dense ribs typically continuing over venter and may be periodically truncated by oblique, enlarged ribs, with or without umbilical, lateral and ventrolateral tubercles. Suture rather simple.<ref name=wright/><ref name=Tzankov>Tzankov, V. &  Breskovski, S. (1982), "Volume et contenu de la famille Holcodiscidae Spath, 1924," ''C.R. Acad. bulg. Sci.'', 35, 4, 491-93.</ref>

==Genera==
* ''[Astieridiscus](/source/Astieridiscus)''
* ''[Holcodiscus](/source/Holcodiscus)''
* ''[Jeanthieuloyites](/source/Jeanthieuloyites)''
* ''[Parasaynoceras](/source/Parasaynoceras)''
* ''[Spitidiscus](/source/Spitidiscus)''

==Distribution==
Fossils of species within this family have been found in the [Cretaceous](/source/Cretaceous) sediments in Argentina, Austria, Bulgaria, Chile, Colombia, the Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Portugal, Romania, Slovakia, Spain and Russia.<ref name=fa/><ref name=wright/>

==References==
{{Reflist}}

== External links==
* {{cite web |title=Holcodiscidae |publisher= mindat.org |url=https://www.mindat.org/taxon-4627550.html |accessdate= 30 December 2021}}
*{{cite web |title= Holcodiscidae |publisher= Encyclopedia of Life (EOL) |url= https://eol.org/pages/52573499 |accessdate= 30 December 2021}}
* {{cite book |last= [Wright C.W.](/source/Claud_William_Wright) with J.H. Callomon and M.K. Howarth |year= 1996 |chapter=  Mollusca 4 Revised: Cretaceous Ammonoidea |volume = 4  |title= Treatise on Invertebrate Paleontology Part L |editor = Roger L. Kaesler |place= Boulder, Colorado and Lawrence, Kansas |publisher= The Geological Society of America  &  University of Kansas Press |url= https://archive.org/details/treatiseoninvert0000join/page/n3/mode/2up?view=theater |url-access= registration |page = [https://archive.org/details/treatiseoninvert0000join/page/48/mode/2up?view=theater 48] |via= [Internet Archive](/source/Internet_Archive)}}
* {{cite book |author1= [Arkell, W. J.](/source/William_Joscelyn_Arkell) |author2= Furnish, W. M. |author3= Kummel, Bernhard |author4= Miller, A.K. |author5= Moore, R.C. |author6=  Schindewolf, O.H. |year= 1957 |chapter= Part L, Mollusca 4: Cephalopoda, Ammonoidea  |title=  Treatise on Invertebrate Paleontology |publisher= Geological Society of America and University of Kansas Press |editor= Raymond C. Moore |editor-link= Raymond Cecil Moore |url= https://archive.org/details/treatiseoninvert0000unse_n4o3/page/n3/mode/2up?view=theater |url-access= registration |page= [https://archive.org/details/treatiseoninvert0000unse_n4o3/page/370/mode/2up?view=theater L371] |via= [Internet Archive](/source/Internet_Archive)}}

{{Taxonbar|from=Q16745633}}

Category:Cretaceous ammonites
Category:Early Cretaceous first appearances
Category:Santonian extinctions
Category:Ammonitida families
Category:Desmoceratoidea

{{Ammonitina-stub}}

---
Adapted from the Wikipedia article [Holcodiscidae](https://en.wikipedia.org/wiki/Holcodiscidae) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Holcodiscidae?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.