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Journal Article

THE APPENDICULAR SKELETON OF ERYOPS MEGACEPHALUS (TEMNOSPONDYLI: ERYOPOIDEA) FROM THE LOWER PERMIAN OF NORTH AMERICA

KAT PAWLEY, ANNE WARREN
Published: 01 May 2006
Journal of Paleontology (2006) 80 (3): 561–580.
DOI: https://doi.org/10.1666/0022-3360(2006)80[561:TASOEM]2.0.CO;2
...KAT PAWLEY; ANNE WARREN Abstract The appendicular skeleton of the Lower Permian temnospondyl Eryops megacephalus Cope, 1877 , described and figured in detail, is similar to that of most temnospondyls, except that it is highly ossified. It displays terrestrial adaptations, including a reduced dermal...
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View PDF for article title, THE APPENDICULAR SKELETON OF <span class="search-highlight">ERYOPS</span> MEGACEPHALUS (TEMNOSPONDYLI: ERYOPOIDEA) FROM THE LOWER PERMIAN OF NORTH AMERICA
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Journal Article

On the geologic range of the labyrinthodont amphibian Eryops

Peter Paul Vaughn
Published: 01 September 1958
Journal of Paleontology (1958) 32 (5): 918–922.
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Journal Article

The ilio-sacral attachment of Eryops

Everett Claire Olson
Published: 01 October 1936
Journal of Paleontology (1936) 10 (7): 648–651.
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Journal Article

A new eryopid temnospondyl from the Carboniferous–Permian boundary of Germany

Ralf Werneburg, Florian Witzmann, Larry Rinehart, Jan Fischer, Sebastian Voigt
Published: 01 November 2023
Journal of Paleontology (2023) 97 (6): 1251–1281.
DOI: https://doi.org/10.1017/jpa.2023.58
.... Stenokranio n. gen. is found as a more derived eryopid forming the sister taxon to Eryops . Stenokranio n. gen. was among the largest predators of the Saar–Nahe Basin. Its semiaquatic lifestyle enabled Stenokranio n. gen. to browse riverbanks and lake shorelines for prey, but most likely it fed on aquatic...
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View PDF for article title, A new eryopid temnospondyl from the Carboniferous–Permian boundary of Germany
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Journal Article

A new species of Sclerocephalus with a fully ossified endocranium gives insight into braincase evolution in temnospondyls

Rainer R. Schoch, Gabriela Sobral
Published: 01 November 2021
Journal of Paleontology (2021) 95 (6): 1308–1320.
DOI: https://doi.org/10.1017/jpa.2021.51
... by numerous larval and juvenile stages (Boy, 1972 ; Lohmann and Sachs, 2001 ; Schoch, 2003 ; Werneburg, 2017 ). Quite like Onchiodon in the eastern German basins, Actinodon frossardi Gaudry, 1866 in France, and Eryops megacephalus Cope, 1878 in North America, Sclerocephalus haeuseri...
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View PDF for article title, A new species of Sclerocephalus with a fully ossified endocranium gives insight into braincase evolution in temnospondyls
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Journal Article

UPPER PENNSYLVANIAN TETRAPODS FROM THE ADA FORMATION OF SEMINOLE COUNTY, OKLAHOMA

RICHARD A. KISSEL, THOMAS M. LEHMAN
Published: 01 May 2002
Journal of Paleontology (2002) 76 (3): 529–545.
DOI: https://doi.org/10.1666/0022-3360(2002)076<0529:UPTFTA>2.0.CO;2
..., the temnospondyl Eryops ? sp., the rare diadectid Diasparactus zenos , and two unidentified taxa known only from jaw fragments. The skeletal material comprises an allochthonous assemblage transported by low-velocity currents prior to burial. Except for four articulated Ophiacodon vertebral segments, all fossil...
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 Figure8—Reconstruction of an Eryops stalking an Arthropleura along the dessicating margins of a Late Pennsylvanian ephemeral lake

Figure 8 —Reconstruction of an Eryops stalking an Arthropleura along t...

Published: 01 January 2009
Figure 8 —Reconstruction of an Eryops stalking an Arthropleura along the dessicating margins of a Late Pennsylvanian ephemeral lake
Image
Figure1—Main specimens of Eryops megacephalusCope, 1877 used in reconstructions: 1, MCZ 2675 interclavicle; 2, MCZ 1900 interclavicle; 3, MCZ 7766 interclavicle; 4, MCZ 1883 left clavicle fragment; 5, MCZ 1900 interclavicle; 6, MCZ 1421 right clavicle; 7, MCZ 1984 right cleithrum;8, AMNH 4203 left radius; 9, AMNH 4862 left ulna; 10, AMNH 4203 right tibia; 11, AMNH 23449 left fibula. Scale bar = 50 mm.

Figure 1 —Main specimens of Eryops megacephalus Cope, 1877 used in reco...

Published: 01 May 2006
Figure 1 —Main specimens of Eryops megacephalus Cope, 1877 used in reconstructions: 1 , MCZ 2675 interclavicle; 2 , MCZ 1900 interclavicle; 3 , MCZ 7766 interclavicle; 4 , MCZ 1883 left clavicle fragment; 5 , MCZ 1900 interclavicle; 6 , MCZ 1421 right clavicle; 7 , MCZ 1984 right
Image
Figure2—Main specimens of Eryops megacephalus used in reconstructions: 1, AMNH 4211 right partial scapula and cleithrum; 2, MCZ 2565 right ventral scapulocoracoid; 3, MCZ 7551 right humerus; 4, MCZ 7773 left ilium; 5, MCZ 1858 right pelvis; 6, AMNH 4203 left femur. Scale bar = 50 mm.

Figure 2 —Main specimens of Eryops megacephalus used in reconstructions:...

Published: 01 May 2006
Figure 2 —Main specimens of Eryops megacephalus used in reconstructions: 1 , AMNH 4211 right partial scapula and cleithrum; 2 , MCZ 2565 right ventral scapulocoracoid; 3 , MCZ 7551 right humerus; 4 , MCZ 7773 left ilium; 5 , MCZ 1858 right pelvis; 6 , AMNH 4203 left femur. Scale bar = 50
Image
Figure3—Reconstruction of interclavicle of Eryops megacephalus: 1, ventral; 2, dorsal; and 3, anterior views. Reconstruction of left clavicle of Eryops megacephalus: 4, ventral; 5, dorsal; 6, lateral; 7, medial; 8, posterior; 9, anterior views. In 4 and 5 the anterior surface is uppermost. Abbreviations: air, anterior interclavicular ridge; cgr, clavicular groove; clr, clavicular recess; co, center of ossification; dcp, dorsal clavicular process; dcr, dorsal clavicular rod; fcl, clavicular facet; lit, lateral interclavicular trabecula; pf, pectinate fringe; pl, posterior lamina; sit, sternal interclavicular trabecula. Interclavicle reconstruction based on AMNH 4186; MCZ 1900 (two specimens), 2675, 7279, and 7766. Clavicle reconstruction based on AMNH 4186, 4774; MCZ 1421, 1883. Scale bar = 50 mm.

Figure 3 —Reconstruction of interclavicle of Eryops megacephalus : 1 , v...

Published: 01 May 2006
Figure 3 —Reconstruction of interclavicle of Eryops megacephalus : 1 , ventral; 2 , dorsal; and 3 , anterior views. Reconstruction of left clavicle of Eryops megacephalus : 4 , ventral; 5 , dorsal; 6 , lateral; 7 , medial; 8 , posterior; 9 , anterior views. In 4 and 5 the anterior
Image
Figure4—Reconstruction of left cleithrum of Eryops megacephalus: 1, lateral; 2, anterior; 3, medial; 4, posterior views. Abbreviations: cc, cleithral crest; co, center of ossification; cs, cleithral shaft; dcthp, dorsal cleithral process; lss, suprascapular lamina; sfcs, scapular flange of cleithral shaft. Cleithrum reconstruction based on AMNH 4211, MCZ 1900 (two specimens), 1984, 7768. Scale bar = 50 mm.

Figure 4 —Reconstruction of left cleithrum of Eryops megacephalus : 1 , ...

Published: 01 May 2006
Figure 4 —Reconstruction of left cleithrum of Eryops megacephalus : 1 , lateral; 2 , anterior; 3 , medial; 4 , posterior views. Abbreviations: cc, cleithral crest; co, center of ossification; cs, cleithral shaft; dcthp, dorsal cleithral process; lss, suprascapular lamina; sfcs, scapular
Image
Figure5—Reconstruction of left scapulocoracoid of Eryops megacephalus: 1, lateral; 2, anterior; 3, medial; 4, posterior views. Reconstruction of pectoral girdle of Eryops megacephalus: 5, left lateral; 6, ventral views. Abbreviations: fcor, coracoid foramen; fgl, glenoid foramen; fsgl, supraglenoid foramen; gl, glenoid fossa; igb, infraglenoid buttress; igf, infraglenoid fossa; igr, infraglenoid ridge; igs, infraglenoid recess; lsr, lateral supraglenoid ridge; sctor, scapular torus; sgb, supraglenoid buttress; sgf, supraglenoid fossa; ssf, subscapular fossa. Scapulocoracoid reconstruction based on AMNH 4180, 4183, 4215, 4307; MCZ 2712, 7559. Scale bar = 50 mm.

Figure 5 —Reconstruction of left scapulocoracoid of Eryops megacephalus :...

Published: 01 May 2006
Figure 5 —Reconstruction of left scapulocoracoid of Eryops megacephalus : 1 , lateral; 2 , anterior; 3 , medial; 4 , posterior views. Reconstruction of pectoral girdle of Eryops megacephalus : 5 , left lateral; 6 , ventral views. Abbreviations: fcor, coracoid foramen; fgl, glenoid foramen
Image
Figure6—Reconstruction of left humerus of Eryops megacephalus: 1, extensor; 2, anterior; 3, flexor; 4, posterior; 5, proximal; and 6, distal views. In 5 and 6 the extensor surface is uppermost. Abbreviations: ahk, anterior humeral keel; avphas, anteroventral proximal humeral articulation surface; delt, deltoid crest; ect, ectepicondyle; ectr, ectepicondylar ridge; ent, entepicondyle; entr, entepicondylar ridge; hur, ventral humeral ridge; ldp, latissimus dorsi process; pdphas, posterodorsal proximal humeral articulation surface; pect, attachment area for pectoralis muscle; phr, proximal humeral ridge; rac, radial condyle; shr, scapulohumeral ridge; sup, supinator process; ulc, ulna condyle; ver, ventral entepicondylar ridge. Humerus reconstruction based on AMNH 4183, 4186, 4204, 4255; MCZ 7551. Scale bar = 50 mm.

Figure 6 —Reconstruction of left humerus of Eryops megacephalus : 1 , ex...

Published: 01 May 2006
Figure 6 —Reconstruction of left humerus of Eryops megacephalus : 1 , extensor; 2 , anterior; 3 , flexor; 4 , posterior; 5 , proximal; and 6 , distal views. In 5 and 6 the extensor surface is uppermost. Abbreviations: ahk, anterior humeral keel; avphas, anteroventral proximal humeral
Image
Figure7—Reconstruction of left radius of Eryops megacephalus: 1, extensor; 2, anterior; 3, flexor; 4, posterior; 5, proximal; and 6, distal views. Reconstruction of left ulna of Eryops megacephalus: 7, extensor; 8, anterior; 9, flexor; 10, posterior; 11, proximal; and 12, distal views. In 5, 6, 11, and 12 the extensor surface is uppermost. Abbreviations: cenf, centrale facet; intf, intermedial facet; ol, olecranon process; pluc, posterolateral ulnar crest; puc, posterior ulnar crest; radf, radiale facet; rfr, radial flexor ridge; tri, attachment area for triceps muscle; uek, ulnar extensor keel; ulnf, ulnar facet; vmrr, ventromesial radial ridge; vrc, ventral radial crest. Radius reconstruction based on AMNH 4186, 4203, 4754, ulna reconstruction based on ANNH 4186, 4754, 4862; MCZ 1137. Scale bar = 50 mm.

Figure 7 —Reconstruction of left radius of Eryops megacephalus : 1 , ext...

Published: 01 May 2006
Figure 7 —Reconstruction of left radius of Eryops megacephalus : 1 , extensor; 2 , anterior; 3 , flexor; 4 , posterior; 5 , proximal; and 6 , distal views. Reconstruction of left ulna of Eryops megacephalus : 7 , extensor; 8 , anterior; 9 , flexor; 10 , posterior; 11 , proximal
Image
Figure8—Reconstruction of left pelvis of Eryops megacephalus: 1, ventrolateral; 2, anterior; 3, dorsomedial; 4, posterior views. Abbreviations: dip, dorsal iliac process; isch, ischium; mir, mesial iliac ridge; obt, obturator foramen; pab, postacetabular buttress; psan, posterior supracetabular notch; pub, pubis; sab, supra-acetabular buttress; sacf, sacral flange; srf, sacral rib facet; symph, symphysial surface; tpr, transverse pelvic ridge. Pelvis reconstruction based on AMNH 4183; MCZ 1219, 1858, 7773. Scale bar = 50 mm.

Figure 8 —Reconstruction of left pelvis of Eryops megacephalus : 1 , ven...

Published: 01 May 2006
Figure 8 —Reconstruction of left pelvis of Eryops megacephalus : 1 , ventrolateral; 2 , anterior; 3 , dorsomedial; 4 , posterior views. Abbreviations: dip, dorsal iliac process; isch, ischium; mir, mesial iliac ridge; obt, obturator foramen; pab, postacetabular buttress; psan, posterior
Image
Figure9—Reconstruction of left femur of Eryops megacephalus: 1, extensor; 2, anterior; 3, flexor; 4, posterior; 5, proximal; and 6, distal views. In 5 and 6 the extensor surface is uppermost. Abbreviations: acff, anterior caput femora fossa; adb, adductor blade; adc, adductor crest; apr, anterior popliteal ridge; ffo, fibula fossa; fibc, fibular condyle; icc, intercondylar crest; icf, intercondylar fossa; intr, internal trochanter; istr, attachment for ischiotrochantericus muscle; itf, intertrochanteric fossa; pcff, posterior caput femora fossa; pir, posterior intertrochanteric ridge; ppa, popliteal area; tibc, tibial condyle; tr4, fourth trochanter. Femur reconstruction based on AMNH 4183 (two specimens), 4203. Scale bar = 50 mm.

Figure 9 —Reconstruction of left femur of Eryops megacephalus : 1 , exte...

Published: 01 May 2006
Figure 9 —Reconstruction of left femur of Eryops megacephalus : 1 , extensor; 2 , anterior; 3 , flexor; 4 , posterior; 5 , proximal; and 6 , distal views. In 5 and 6 the extensor surface is uppermost. Abbreviations: acff, anterior caput femora fossa; adb, adductor blade; adc, adductor
Image
Figure10—Reconstruction of left tibia of Eryops megacephalus: 1, extensor; 2, anterior; 3, flexor; 4, posterior; 5, proximal; and 6, distal views. Reconstruction of left fibula of Eryops megacephalus: 7, extensor; 8, anterior; 9, flexor; 10, posterior; 11, proximal; and 12, distal views. In 5, 6, 11, and 12 the extensor surface is uppermost. Abbreviations: afr, anterior fibular ridge; atfc, anterior tibial flexor crest; cn, cnemial crest; cnt, cnemial trough; dtfc, distal tibial flexor crest; fer, fibular extensor ridge; ff, fibulare facet; fs, fibular sulcus; intf, intermedial facet; pfr, posterior fibular ridge; pittf, fossa for the tibial insertion of the puboishiotibialis; ptfc, posterior tibial flexor crest; tibf, tibiale facet. Tibia reconstruction based on AMNH 4198, 4203, 4754; MCZ 2092, 7555, 7797, fibula reconstruction based on AMNH 23449; MCZ 6475, 7555. Scale bar = 50 mm.

Figure 10 —Reconstruction of left tibia of Eryops megacephalus : 1 , ext...

Published: 01 May 2006
Figure 10 —Reconstruction of left tibia of Eryops megacephalus : 1 , extensor; 2 , anterior; 3 , flexor; 4 , posterior; 5 , proximal; and 6 , distal views. Reconstruction of left fibula of Eryops megacephalus : 7 , extensor; 8 , anterior; 9 , flexor; 10 , posterior; 11 , proximal
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Figure3—OMNH V1005 material assigned to Eryops? sp. 1, OMNH 55360 (left? dentary), lateral view; 2, OMNH 55360, medial view; 3, OMNH 55360, occlusal view; 4, OMNH 55360 (isolated tooth), lateral view; 5, OMNH 55360, cross-section of isolated tooth; 6, OMNH 55361 (dorsal? neural arch), anterior view; 7, OMNH 55361, right lateral view; 8, OMNH 55362 (caudal intercentrum), left lateral view; 9, OMNH 55362 posterior view

Figure 3 —OMNH V1005 material assigned to Eryops ? sp. 1, OMNH 55360 (l...

Published: 01 May 2002
Figure 3 —OMNH V1005 material assigned to Eryops ? sp. 1, OMNH 55360 (left? dentary), lateral view; 2, OMNH 55360, medial view; 3, OMNH 55360, occlusal view; 4, OMNH 55360 (isolated tooth), lateral view; 5, OMNH 55360, cross-section of isolated tooth; 6, OMNH 55361 (dorsal? neural
Journal Article

Walking Trails of the Giant Terrestrial Arthropod Arthropleura from the Upper Carboniferous of Kentucky

Ronald L. Martino, Stephen F. Greb
Published: 01 January 2009
Journal of Paleontology (2009) 83 (1): 140–146.
DOI: https://doi.org/10.1666/08-093R.1
...Figure 8 —Reconstruction of an Eryops stalking an Arthropleura along the dessicating margins of a Late Pennsylvanian ephemeral lake ...
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Comparison of eryopid skulls in palatal view. (1) Stenokranio boldi n. gen. n. sp., from this paper (2) Glaukerpeton avinoffi, after Werneburg and Berman (2012). (3) Eryops megacephalus, after Sawin (1941). (4) Onchiodon thuringiensis, after Werneburg (2007). (5) Onchiodon labyrinthicus, after Boy (1991). (6) Actinodon frossardi, after Werneburg and Steyer (1999). ch = choane; ec = ectopterygoid; eo = exoccipital; m = maxilla; pl = palatine; pm = premaxilla; ps = parasphenoid; pt = pterygoid; q = quadrate; se = sphenethmoid; v = vomer.

Comparison of eryopid skulls in palatal view. ( 1 ) Stenokranio boldi n. ...

Published: 01 November 2023
Figure 19. Comparison of eryopid skulls in palatal view. ( 1 ) Stenokranio boldi n. gen. n. sp., from this paper ( 2 ) Glaukerpeton avinoffi , after Werneburg and Berman ( 2012 ). ( 3 ) Eryops megacephalus , after Sawin ( 1941 ). ( 4 ) Onchiodon thuringiensis , after Werneburg ( 2007 ). ( 5