[dinosaur] Feeserpeton (lanthanosuchoid from Permian of Oklahoma) CT scan (free pdf)

Ben Creisler
[email protected]

A new paper with free pdf:


Mark J. MacDougall, Anika Winge, Jasper Ponstein, Maren Jansen, Robert R.
Reisz & Jörg Fröbisch (2019)
New information on the early Permian lanthanosuchoid Feeserpeton
oklahomensis based on computed tomography.
PeerJ 7:e7753
doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.7717_peerj.7753&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3az67XQDWDYOgPEyTsyf3VrRZ33iScfu_6GxS81jAnk&s=zMha8tJaiQ3v-2WzhGE3L7ZiuVPasxtzMYjPFQuY100&e= 
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Free pdf:
https://urldefense.proofpoint.com/v2/url?u=https-3A__peerj.com_articles_7753.pdf&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3az67XQDWDYOgPEyTsyf3VrRZ33iScfu_6GxS81jAnk&s=vwYA4Cx_Vrfl877QwmwSbfm7qN2md57nFliBkdu2Bmo&e= 


The cave deposits of the Lower Permian Richards Spur locality in Oklahoma,
USA, have produced an incredible number of terrestrial tetrapod taxa, many
of which are currently only known from this locality. One of the many
recent taxa to be described from the locality was the small lanthanosuchoid
parareptile Feeserpeton oklahomensis. Represented by a well-preserved, near
complete skull, F. oklahomensis would have been a small predatory reptile,
likely preying upon arthropods, and contributes to the extensive tetrapod
fauna that was present at Richards Spur. New computed tomography data of
the holotype and only specimen has allowed us to visualize and describe
previously obscured and inaccessible anatomy of this taxon. These areas
include the mandibular ramus, the palate, the sphenethmoid, the
epipterygoids, and the braincase. Furthermore, this new anatomical
information allowed formerly unknown character codings to be updated, thus
we also performed new phylogenetic analyses that incorporated this new
information. The results of these updated phylogenetic analyses are very
similar to those of past studies, with F. oklahomensis being found as the
sister taxon to all other lanthanosuchoids.


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