View source for Dapediidae

{{Short description|Extinct family of ray-finned fishes}}
{{Automatic taxobox
| fossil_range = {{fossilrange|Ladinian|Tithonian}}
| image = Dapedium politum.jpg
| image_caption = Fossil specimen of ''[[Dapedium politum]]''
| image2 = Sargodon tomicus reconstruction.jpg
| image2_caption = Artist's reconstruction of [[Sargodon]]
| display_parents = 2
| parent_authority = Thies & Waschkewitz, 2016
| taxon = Dapediidae
| authority = Lehman, 1966
| subdivision_ranks = Genera
| subdivision = * {{Extinct}}''[[Aetheolepis]]''
* {{Extinct}}''[[Ameghinichthys]]''<ref>{{Cite journal|last1=Gouiric-Cavalli |first1=Soledad |last2=Iglesias |first2=Ari |last3=Cariglino |first3=Bárbara |last4=Reguero |first4=Marcelo A. |year=2024 |title=A Late Jurassic deep-bodied actinopterygian fish from Antarctica |journal=Acta Palaeontologica Polonica |volume=69 |issue=3 |pages=467–483 |doi=10.4202/app.01158.2024 |doi-access=free }}</ref>
* {{Extinct}}''[[Dandya (fish)|Dandya]]''
* {{Extinct}}''[[Dapedium]]''
* {{Extinct}}''[[Hemicalypterus]]''
* {{Extinct}}''[[Heterostrophus]]''
* {{Extinct}}''[[Paradapedium]]''
* {{Extinct}}''[[Sargodon]]''
* {{Extinct}}''[[Scopulipiscis]]''
* {{Extinct}}''[[Tetragonolepis]]''
}}
'''Dapediidae''' is an extinct family of [[neopterygian]] [[ray-finned fish]] that lived from the [[Middle Triassic]] to [[Jurassic|Late Jurassic]] ([[Ladinian]] to [[Tithonian]]).<ref>{{Cite journal |last1=Cawley |first1=John J. |last2=Marramà |first2=Giuseppe |last3=Carnevale |first3=Giorgio |last4=Villafaña |first4=Jaime A. |last5=López‐Romero |first5=Faviel A. |last6=Kriwet |first6=Jürgen |date=February 2021 |title=Rise and fall of †Pycnodontiformes: Diversity, competition and extinction of a successful fish clade |journal=Ecology and Evolution |language=en |volume=11 |issue=4 |pages=1769–1796 |doi=10.1002/ece3.7168 |issn=2045-7758 |pmc=7882952 |pmid=33614003}}</ref> It is the only family of the order '''Dapediiformes'''. Its members were historically placed within the [[ginglymodi]]an family [[Semionotidae]], but were moved to their own family in 1966.<ref name="Thies2016" />
== Description ==
Dapediids had deep, laterally flattened circular bodies covered in thick [[ganoid scale]]s, which gave them a resemblance to the [[pycnodontiform]]s, a group they may or may not be related to.<ref name="Latimer2018" /> Their teeth were adapted towards a [[durophagous]] diet; some dapediids fed on hard-shelled invertebrates,<ref name="Smithwick2015" /> while at least one genus (''[[Hemicalypterus]]'') may have been herbivorous.<ref name="Gibson2016" />
== Classification ==
Dapediids are usually considered to be either basal ginglymodians<ref name="Thies2016" /><ref name="Gibson2016" /> or [[stem group]] representatives of the wider clade [[Holostei]],<ref name="Latimer2018" /><ref name="López2018" /> but some studies have found them to be early-diverging stem-[[teleost]]s instead.<ref name="Latimer2018" />
== References ==
{{Reflist|refs=
<ref name="Gibson2016">{{cite journal |last1=Gibson |first1=S. Z. |title=Redescription and Phylogenetic Placement of †Hemicalypterus weiri Schaeffer, 1967 (Actinopterygii, Neopterygii) from the Triassic Chinle Formation, Southwestern United States: New Insights into Morphology, Ecological Niche, and Phylogeny |journal=PLOS ONE |date=2016 |volume=11 |issue=9 |pages=e0163657 |doi=10.1371/journal.pone.0163657|pmid=27657923 |pmc=5033578 |bibcode=2016PLoSO..1163657G |doi-access=free }}</ref>
<ref name="Latimer2018">{{cite journal |last1=Latimer |first1=A. E. |last2=Giles |first2=S. |title=A giant dapediid from the Late Triassic of Switzerland and insights into neopterygian phylogeny |journal=Royal Society Open Science |date=2018 |volume=5 |issue=8 |pages=180497 |doi=10.1098/rsos.180497|pmid=30225040 |pmc=6124034 |bibcode=2018RSOS....580497L |doi-access=free }}</ref>
<ref name="López2018">{{cite journal |last1=López-Arbarello |first1=A. |last2=Sferco |first2=E. |title=Neopterygian phylogeny: the merger assay |journal=Royal Society Open Science |date=2018 |volume=5 |issue=3 |pages=172337 |doi=10.1098/rsos.172337|pmid=29657820 |pmc=5882744 |bibcode=2018RSOS....572337L |doi-access=free }}</ref>
<ref name="Smithwick2015">{{cite journal |last1=Smithwick |first1=F. M. |title=Feeding ecology of the deep-bodied fish ''Dapedium'' (Actinopterygii, Neopterygii) from the Sinemurian of Dorset, England |journal=Palaeontology |date=2015 |volume=58 |issue=2 |pages=293–311 |doi=10.1111/pala.12145|bibcode=2015Palgy..58..293S |s2cid=86168055 |doi-access=free }}</ref>
<ref name="Thies2016">{{Cite journal|last1=Thies |first1=D. |last2=Waschkewitz |first2=J. |year=2016 |title=Redescription of ''Dapedium pholidotum'' (Agassiz, 1832) (Actinopterygii, Neopterygii) from the Lower Jurassic Posidonia Shale, with comments on the phylogenetic position of ''Dapedium'' Leach, 1822 |journal=Journal of Systematic Palaeontology |volume=14 |issue=4 |pages=339–364 |doi=10.1080/14772019.2015.1043361 |s2cid=130282395 |url=https://www.researchgate.net/publication/281415190 }}</ref>
}}
{{Neopterygii}}
{{Taxonbar|from=Q25387686}}
[[Category:Dapediidae| ]]
[[Category:Prehistoric ray-finned fish families]]
{{Paleo-rayfinned-fish-stub}}