Holcodiscidae
{{Short description|Extinct family of ammonites}}
{{Automatic taxobox
| fossil_range = {{Fossilrange|140.2|84.9|Cretaceous}}
| image = Holcodiscidae - Spitidiscus species.JPG
| image_caption = Spitidiscus species from Alpes-de-Haute-Provence
| taxon = Holcodiscidae
| authority = Spath, 1923
| synonyms_ref =
| synonyms =
- Astieridiscidae
Tzankov & Breskovski, 1982; - Metahoplidae
Tzankov & Breskovski, 1982
}}
Holcodiscidae is an ammonite family placed in the superfamily Desmoceratoidea.{{cite web |title = Holcodiscidae |publisher= Paleobiology Database |accessdate= 30 December 2021 |url= https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=131208}} [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, Part L (Roger L. Kaesler et al. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, p. 48.
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.Tzankov, V. & Breskovski, S. (1982), "Volume et contenu de la famille Holcodiscidae Spath, 1924," C.R. Acad. bulg. Sci., 35, 4, 491-93.
Genera
Distribution
Fossils of species within this family have been found in the Cretaceous sediments in Argentina, Austria, Bulgaria, Chile, Colombia, the Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Portugal, Romania, Slovakia, Spain and Russia.
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. 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}}
- {{cite book |author1= Arkell, W. J. |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}}
{{Taxonbar|from=Q16745633}}
Category:Early Cretaceous first appearances
Category:Santonian extinctions
{{Ammonitina-stub}}