Shokawa: Difference between revisions

Shokawa; Temporal range: Early Cretaceous, Berriasian PreꞒ Ꞓ O S D C P T J K Pg N
	Artist's reconstruction
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	†Choristodera
Family:	†Hyphalosauridae
Genus:	†Shokawa; Evans & Manabe, 1998
Type species
	†Shokawa ikoi; Evans & Manabe, 1998

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Shokawa is an extinct genus of choristoderan diapsid reptile, known from the Lower Cretaceous of Japan. It is only known from one species, Shokawa ikoi. The only known remains are a postcranial specimen lacking the skull, discovered at the KO2 locality in sediments belonging to the Okurodani Formation near the village of Shokawa in Gifu Prefecture. Shokawa possessed a long neck with at least 16 cervical vertebrae, and closely resembles and is closely related to the smaller choristoderan, Hyphalosaurus.^[1]^[2] The generic name refers to the village near where it was found, while the specific name honors the collector of the first specimen, one Mr. Ikoi Shibata.

Phylogeny from the analysis of Dong and colleagues (2020):^[3]

Choristodera

Cteniogenys sp.

Heishanosaurus pygmaeus

Coeruleodraco jurassicus

Neochoristodera

Ikechosaurus pijiagouensis

Ikechosaurus sunailinae

Tchoiria namsari

Tchoiria klauseni

Champsosaurus

	C. gigas

	C. albertensis

Simoedosaurus

	S. lemoinei

	S. dakotensis

"Allochoristodera"

Monjurosuchus splendens

Philydrosaurus

	P. proseilus

	P. proseilus

Lazarussuchus

	L. inexpectatus

	Lazarussuchus sp.

	L. dvoraki

Khurendukhosaurus orlovi

Hyphalosaurus sp.

	Hyphalosaurus lingyuanensis

	Shokawa ikoi

References

^ Evans, Susan E.; Manabe, Makoto (January 1999). "A choristoderan reptile from the Lower Cretaceous of Japan". Special Papers in Palaeontology.
^ The dentary of a Choristodere (Reptilia: Archosauromorpha) from the Okurodani Formation, Tetori Group (Lower Cretaceous) of Japan [1]
^ Dong, Liping; Matsumoto, Ryoko; Kusuhashi, Nao; Wang, Yuanqing; Wang, Yuan; Evans, Susan E. (2020-08-02). "A new choristodere (Reptilia: Choristodera) from an Aptian–Albian coal deposit in China". Journal of Systematic Palaeontology. 18 (15): 1223–1242. Bibcode:2020JSPal..18.1223D. doi:10.1080/14772019.2020.1749147. ISSN 1477-2019. S2CID 219047160.

This article about a Cretaceous reptile is a stub. You can help Wikipedia by expanding it.

[1] Evans, Susan E.; Manabe, Makoto (January 1999). "A choristoderan reptile from the Lower Cretaceous of Japan". Special Papers in Palaeontology.

[2] The dentary of a Choristodere (Reptilia: Archosauromorpha) from the Okurodani Formation, Tetori Group (Lower Cretaceous) of Japan [1]

[:02-3] Dong, Liping; Matsumoto, Ryoko; Kusuhashi, Nao; Wang, Yuanqing; Wang, Yuan; Evans, Susan E. (2020-08-02). "A new choristodere (Reptilia: Choristodera) from an Aptian–Albian coal deposit in China". Journal of Systematic Palaeontology. 18 (15): 1223–1242. Bibcode:2020JSPal..18.1223D. doi:10.1080/14772019.2020.1749147. ISSN 1477-2019. S2CID 219047160.

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@@ Line 1: / Line 1: @@
+{{Short description|Extinct genus of reptiles}}
-{{Italic title}}
+{{Automatic taxobox
-{{Taxobox
+|fossil_range = [[Early Cretaceous]], {{fossilrange|Berriasian|Berriasian|[[Berriasian]]}}
-|name = ''Shokawa''
-|fossil_range = [[Early Cretaceous]]
 |image= Shokawa_ikoi.jpg
-|image_width=250px
 |image_caption = Artist's reconstruction
+|taxon = Shokawa
-|image_caption=''Shokawa ikoi''
+|authority = Evans & Manabe, 1998
-|regnum = [[Animal]]ia
+|type_species = {{extinct}}'''''Shokawa ikoi'''''
-|phylum = [[Chordata]]
+|type_species_authority = Evans & Manabe, 1998
-|classis = [[Sauropsida]]
-|ordo = [[Choristodera]]
-|familia = [[Hyphalosauridae]]
-|genus = '''''Shokawa'''''
-|genus_authority = Evans & Manabe, 1998
-|species = '''''Shokawa ikoi'''''
 }}
+'''''Shokawa''''' is an extinct genus of [[choristoderan]] [[diapsid]] [[reptile]], known from the [[Lower Cretaceous]] of Japan. It is only known from one species, ''Shokawa ikoi.'' The only known remains are a postcranial specimen lacking the skull, discovered at the KO2 locality in sediments belonging to the [[Okurodani Formation]] near the village of [[Shōkawa, Gifu|Shokawa]] in [[Gifu Prefecture]]. ''Shokawa'' possessed a long neck with at least 16 [[cervical vertebrae]], and closely resembles and is closely related to the smaller choristoderan, ''[[Hyphalosaurus]]''.<ref>{{Cite journal|last1=Evans|first1=Susan E.|last2=Manabe|first2=Makoto|date=January 1999|title=A choristoderan reptile from the Lower Cretaceous of Japan|url=https://www.researchgate.net/publication/228117764|journal=Special Papers in Palaeontology|volume=|pages=|via=}}</ref><ref>The dentary of a Choristodere (Reptilia: Archosauromorpha) from the Okurodani Formation, Tetori Group (Lower Cretaceous) of Japan [https://web.archive.org/web/20110716234903/http://sciencelinks.jp/j-east/article/200317/000020031703A0489383.php]</ref> The generic name refers to the village near where it was found, while the specific name honors the collector of the first specimen, one Mr. Ikoi Shibata.
-'''''Shokawa ikoi''''' was a 1.8&nbsp;m long{{Citation needed|date=January 2012}} [[choristoderan]] [[diapsid]] [[reptile]] closely resembling and closely related to the smaller choristoderan, ''[[Hyphalosaurus]]''.  It lived during the [[Lower Cretaceous]] in what is now Japan.
+Phylogeny from the analysis of Dong and colleagues (2020):<ref name=":02">{{Cite journal|last1=Dong|first1=Liping|last2=Matsumoto|first2=Ryoko|last3=Kusuhashi|first3=Nao|last4=Wang|first4=Yuanqing|last5=Wang|first5=Yuan|last6=Evans|first6=Susan E.|date=2020-08-02|title=A new choristodere (Reptilia: Choristodera) from an Aptian–Albian coal deposit in China|url=https://www.tandfonline.com/doi/full/10.1080/14772019.2020.1749147|journal=Journal of Systematic Palaeontology|language=en|volume=18|issue=15|pages=1223–1242|doi=10.1080/14772019.2020.1749147|bibcode=2020JSPal..18.1223D |s2cid=219047160|issn=1477-2019}}</ref>
-As with ''Hyphalosaurus'', ''S. ikoi'' had an extremely long, thin neck with a small head.  The mouth was filled with long teeth used to snare small fish.
+{{clade
-The generic name refers to the village of [[Shōkawa, Gifu|Shokawa]], located in [[Gifu Prefecture]], [[Japan]], while the specific name honors the collector of the first specimen, one Mr. Ikoi Shibata.
+|label1='''Choristodera'''
+|1={{clade
+  |1=''[[Cteniogenys]]'' sp.
+  |2={{clade
+  |1=''[[Heishanosaurus]] pygmaeus''
+  |2=''[[Coeruleodraco]] jurassicus''
+  |3={{clade
+    |label1=[[Neochoristodera]]
+    |1={{clade
+      |1=''[[Ikechosaurus]] pijiagouensis''
+      |2=''Ikechosaurus sunailinae''
+      |3=''[[Tchoiria]] namsari''
+      |4=''Tchoiria klauseni''
+      |label5=''[[Champsosaurus]]''
+      |5={{clade
+        |1=''C. gigas''
+        |2=''C. albertensis''
+      }}
+      |label6=''[[Simoedosaurus]]''
+      |6={{clade
+        |1=''S. lemoinei''
+        |2=''S. dakotensis''
+      }}
+    }}
+    |label2="Allochoristodera"
+    |2={{clade
+        |1=''[[Monjurosuchus]] splendens''
+        |label3=''[[Philydrosaurus]]''
+        |3={{clade
+          |1=''P. proseilus''
+          |2=''P. proseilus''
+        }}
+        |4={{clade
+        |label1=''[[Lazarussuchus]]''
+        |1={{clade
+          |1=''L. inexpectatus''
+          |2=''Lazarussuchus'' sp.
+          |3=''L. dvoraki''
+        }}
+        |2={{clade
+        |1=''[[Khurendukhosaurus]] orlovi''
+        |2=''[[Hyphalosaurus]]'' sp.
+        |3={{clade
+          |1=''[[Hyphalosaurus]] lingyuanensis''
+          |2=''Shokawa ikoi''
+}} }} }} }} }} }} }} }}
-==External links==
-*The dentary of a Choristodere (Reptilia: Archosauromorpha) from the Okurodani Formation, Tetori Group (Lower Cretaceous) of Japan [http://sciencelinks.jp/j-east/article/200317/000020031703A0489383.php]
+==References==
-<BR>
+{{reflist}}
-[[Category:Choristodera]]
+{{Choristodera|S.}}
+{{Taxonbar|from=Q16745535}}
-[[Category:Cretaceous reptiles]]
+[[Category:Choristodera]]
+[[Category:Early Cretaceous reptiles of Asia]]
+[[Category:Extinct animals of Japan]]
+[[Category:Fossils of Japan]]
+[[Category:Prehistoric reptile genera]]
-{{paleo-reptile-stub}}
+{{cretaceous-reptile-stub}}
-[[pl:Shokawa]]
-[[zh:莊川龍]]