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A new dissorophoid temnospondyl from the Allegheny Group (Late Carboniferous) of Five Points, Mahoning County, Ohio (USA)
Rainer R. Schoch, Amy C. Henrici and Robert W. Hook
A new dissorophoid temnospondyl from the Allegheny Group (Late Carboniferous) of Five Points, Mahoning County, Ohio (USA)
Journal of Paleontology (May 2021) 95 (3): 638-651
A new dissorophoid temnospondyl from the Allegheny Group (Late Carboniferous) of Five Points, Mahoning County, Ohio (USA)
Journal of Paleontology (May 2021) 95 (3): 638-651
Index Terms/Descriptors
- Allegheny Group
- Amphibia
- Carboniferous
- Chordata
- cladistics
- Labyrinthodontia
- Mahoning County Ohio
- Middle Pennsylvanian
- morphology
- new taxa
- Ohio
- osteology
- Paleozoic
- Pennsylvanian
- phylogeny
- skull
- taxonomy
- Temnospondyli
- Tetrapoda
- United States
- Upper Carboniferous
- Vertebrata
- Rhachitomi
- Dissorophoidea
- North Lima Ohio
- Five Points Mine
- Palodromeus bairdi
Latitude & Longitude
Abstract
A small temnospondyl skull from the upper Carboniferous Allegheny Group of Five Points, Ohio, is referred to a new dissorophoid, Palodromeus bairdi n. gen n. sp. The complete skull with mandibles is preserved in counterparts. It is characterized by, (1) elongated slit-like choana; (2) postfrontal, postorbital, and supratemporal bearing a distinct ridge; and (3) reduced parietal only two-thirds the length of the frontal. Phylogenetic analysis confirms a dichotomy between amphibamiforms and olsoniforms and places Palodromeus bairdi n. gen. n. sp. at the base of the olsoniforms, revealing an early stage in the evolution of that clade. UUID: http://zoobank.org/3871e443-7888-4439-a7c1-9463bc4d87ab
ISSN: 0022-3360
EISSN: 1937-2337
Coden: JPALAZ
Serial Title: Journal of Paleontology
Serial Volume: 95
Serial Issue: 3
Title: A new dissorophoid temnospondyl from the Allegheny Group (Late Carboniferous) of Five Points, Mahoning County, Ohio (USA)
Affiliation: Staatliches Museum fuer Naturkunde,
Stuttgart,
Germany
Pages: 638-651
Published: 202105
Text Language: English
Publisher: Paleontological Society,
Lawrence, KS,
United States
References: 76
DOI:
10.1017/jpa.2020.101
Accession Number: 2021-040274
Categories: Vertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
N40°57'00" - N40°57'00", W80°40'00" - W80°40'00"
Secondary Affiliation: Carnegie Museum of Natural History,
USA,
United StatesUniversity of Texas at Austin,
USA,
United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2021, American Geosciences Institute. Abstract, Copyright, The Paleontological Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2021
