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Peltobatrachus pustulatus

Osteichthyes - Temnospondyli

Taxonomy
Peltobatrachus pustulatus was named by Panchen (1959) [Amphibia with distinctive pustular ornament on the dermal bones. Skull about 15 em long, broad, apparently parabolic in outline. Skull table long, the raised orbits being about halfway along the length of the skull. Cheek broad and smoothly curved. Occipital condyle single. Occipital surface sloping slightly back from the skull table. No intertemporal bone. Large supratemporal just reaching the border of the short otic notch, and having a wide suture with the interparietals; so that the tabular is widely separated from the parietal. Tabular bearing a large globular horn. Circumorbital bones large; lacrimal apparently excluded from the orbit. Quadrate articulation apparently slightly anterior to the corner of the skull, so that the latter forms adistinctquadratojugal horn. Large interpterygoid vacuities separated by a slender processus cultriformis. Short basicranial suture between the parasphenoid and pterygoid. Parasphenoid and pterygoid ornamented with small denticles. Distinct backwardly-directed quadrate ramus of the pterygoid. Neurocranium heavily ossified: massive cylindrical sphenethmoid extending far anteriorly; ossified basioccipital and supraoccipital; tabular and exoccipital separated by a long paroccipital process but meeting dorsal to the deep post-temporal fossa. Lower jaw ornamented laterally and bearing a well-developed retroarticular process. Dorsal vertebrae consisting of single elongate, notochordal centra, bearing 'intervertebral' neural arches. Neural spines high and conical. Rib articulation terminates a wide massive transverse process formed by the diapophysis of the neural arch combined with the parapophysis of the centrum in front of it. Caudal vertebrae of pleurocentra and small crescentic intercentra bearing haemal arches. Anterior pleurocentra open ventrally, posterior pleurocentra complete notochordal rings, finally becoming fused to the neural arches. Ribs bearing capitulum and tuberculum at the end of an undivided shaft. Dorsal ribs massive, curved, bearing posteriorly a broad surface for the dermal armour. Caudal ribs forked distally. Scapulocoracoid very broad antero-posteriorly and with a deep coracoid plate. Four foramina in the glenoid region. Cleithrum splint-like ventrally, clasping the front of the scapula blade and overlapping the clavicle anteriorly but not laterally. Humerus broad, tetrahedral and well-ossified. Pelvic girdle with a deep puboischiadic plate and deep symphysis anteriorly. Slender iliac shaft borne on a single highly adapted sacral rib. Massive dermal trunk armour of dorsal pectoral and pelvic shields, separated by overlapping bands of sutured scutes, divisible for at least some of the trunk into neural and flanking costal series. Apparently a flexible ventral armour of minute gastralia. Tail region also armoured dorsally with sutured scutes.]. It is a 3D body fossil. Its type locality is B4, Katumbi Vawili (Lower Bonebed K6), which is in a Wuchiapingian terrestrial horizon in the Usili Formation of Tanzania.

Synonymy list
YearName and author
1959Peltobatrachus pustulatus Panchen p. 210 figs. 1-14

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
Tetrapoda
classAmphibia
orderTemnospondyli()
Eutemnospondyli
Rhachitomi()
Eryopiformes
Stereospondylomorpha
Stereospondyli()
genusPeltobatrachus
speciespustulatus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Peltobatrachus pustulatus Panchen 1959
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilesubo
Life habit: amphibioussubo
Diet: carnivoresubo
Dispersal: waterc
Created: 2009-07-20 21:44:54
Modified: 2009-07-20 23:44:54
Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade
References: Uhen 2004, Hendy et al. 2009, Kiessling 2004, Carroll 1988

Age range: Wuchiapingian or 259.51000 to 254.14000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Wuchiapingian259.51 - 254.14Tanzania (Ruvuma) Peltobatrachus pustulatus (135700 type locality: 180461)