Bentonyx

{{Short description|Extinct genus of reptiles}} {{Automatic taxobox | fossil_range = [[Middle Triassic]], {{fossilrange|Anisian}} | image = Bentonyx sidensis.jpg | image_caption = Skull | taxon = Bentonyx | authority = Langer ''et al.'', [[2010 in paleontology|2010]] | subdivision_ranks = Species | subdivision = *[[extinction|†]]'''''B. sidensis''''' <small> Langer ''et al.'', 2010 ([[type species|type]])</small> }}

'''''Bentonyx''''' (meaning "Bentons's claw") is an [[extinct]] [[genus]] of [[rhynchosaur]] from the middle [[Triassic]] epoch of [[Devon]] in [[England]].<ref name=Langeretal>{{Cite journal|author1=Max C. Langer |author2=Felipe C. Montefeltro |author3=David E. Hone |author4=Robin Whatley |author5=Cesar L. Schultz |year=2010 |title=On ''Fodonyx spenceri'' and a new rhynchosaur from the Middle Triassic of Devon|journal=Journal of Vertebrate Paleontology |volume=30 |issue=6 |pages=1884–1888 |doi=10.1080/02724634.2010.521901 |bibcode=2010JVPal..30.1884L |s2cid=53405231 }}</ref> Its fossil, a well preserved [[skull]], [http://www.3d-fossils.ac.uk/fossilType.cfm?typSampleId=25000781 BRSUG 27200], was discovered in [[Otter Sandstone Formation]] (late [[Anisian]] age) and was first assigned to ''[[Rhynchosaurus|Rhynchosaurus spenceri]]'', that is known from 25 specimens. This species was reassigned to its own genus, ''[[Fodonyx]]'', that was first described by David W. E. Hone and [[Michael Benton]] in [[2008 in paleontology|2008]].<ref name=HoneBenton>{{Cite journal|author1=David W. E. Hone |author2=Michael J. Benton|author-link2=Michael Benton |name-list-style=amp |year=2008 |title=A new genus of Rhynchosaur from the Middle Triassic of South-West England |journal=Palaeontology |volume=51 |issue=1 |pages=95–115 |doi=10.1111/j.1475-4983.2007.00739.x |bibcode=2008Palgy..51...95H |doi-access=free }}</ref> More recently, this skull was reassigned to this genus by Max C. Langer, Felipe C. Montefeltro, David E. Hone, Robin Whatley and Cesar L. Schultz in [[2010 in paleontology|2010]] and the type species is ''Bentonyx sidensis''.<ref name=Langeretal/><ref>[http://www.3d-fossils.ac.uk/fossilType.cfm?typSampleId=25000781 3d-fossils.ac.uk - BRSUG 27200]</ref><ref>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=173528 Paleobiology Database - Bentonyx]</ref>

{{gallery|Bentonyx sidensis skull illustrations in anterior, posterior and lateral views.png|''Bentonyx'' skull drawings in front-on (A1/top left), rear-on (A2/top right), and side on (A3+A4)|Bentonyx sidensis skull in anterior, posterior and lateral views.png|''Bentonyx'' skull scan in front-on (A1/top left), rear-on (A2/top right), and side on (A3+A4)|Bentonyx sidensis skull illustrations in dorsal and ventral views.png|''Bentonyx'' skull drawing in top down (A1/top), from below (A2/Middle) and palatal view without maxilla (A3/bottom)|Bentonyx sidensis skull in dorsal and ventral views.png|''Bentonyx'' skull scan in top down (A1/top), from below (A2/Middle) and palatal view without maxilla (A3/bottom)|||||||||width=200|height=180}}

The [[Cladogram]] below is based on work by [[Martin Ezcurra]] ''et al''.<ref name="Ezcurra_etal">{{Cite journal|author1=Martin D. Ezcurra |author2=Felipe C. Montefeltro |author3=Richard J. Butler |year=2016 |title= The Early Evolution of Rhynchosaurs |journal=Frontiers in Ecology and Evolution |volume=3 |pages=142|doi=10.3389/fevo.2015.00142|doi-access=free |hdl=11336/44040 |hdl-access=free }}</ref>

{{clade| style=font-size:100%;line-height:85% |label1=[[Rhynchosauria]] |1={{clade |1=''[[Noteosuchus]]'' |2=''[[Mesosuchus]]'' |3=''[[Howesia]]'' |4=''[[Eohyosaurus]]'' |label5=[[Rhynchosauridae]] |5={{clade |1=''[[Rhynchosaurus]]'' |2={{clade |label1=[[Stenaulorhynchinae]] |1={{clade |1=[[Brasinorhynchus|Mariante rhynchosaur]] |2=''[[Stenaulorhynchus]]'' }} |2={{clade |1=''[[Langeronyx]]'' |2={{clade |1='''''Bentonyx''''' |2={{clade |1=''[[Fodonyx]]'' |label2=[[Hyperodapedontinae]] |2={{clade |1=''[[Isalorhynchus]]'' |2={{clade |1=''[[Teyumbaita]]'' |2=''[[Hyperodapedon]]'' }} }} }} }} }} }} }} }} }}

==References== {{Reflist}}

[[Category:Rhynchosauria]] [[Category:Middle Triassic reptiles of Europe]] [[Category:Fossil taxa described in 2010]] [[Category:Anisian life]] [[Category:Prehistoric reptile genera]]