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Trisauropodiscus aviforma

Osteichthyes

Taxonomy
Trisauropodiscus aviforma was named by Ellenberger (1970). It is considered to be a form taxon. It is a trace fossil. Its type locality is Maphutseng II tracksite (zone A/4), which is in a Norian/Rhaetian terrestrial sandstone/claystone in the Elliot Formation of Lesotho. It is the type species of Trisauropodiscus.

Synonymy list
YearName and author
1970Trisauropodiscus aviforma Ellenberger p. 346
1972Trisauropodiscus aviforma Ellenberger p. 82
1984Trisauropodiscus aviforma Olsen and Galton p. 109
2021Trisauropodiscus aviforma Klein and Lucas p. 92

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
genusTrisauropodiscus
speciesaviforma

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.

†Trisauropodiscus aviforma Ellenberger 1970
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Diagnosis
ReferenceDiagnosis
P. Ellenberger 1972A la définition du genre nous ajoutons les données spécifiques suivantes, qui nous amènent à répartir nos pistes en 5 variétés bien délimitées. Nous les désignerons par les lettres A, B, C, D et E.
H. Klein and S. G. Lucas 2021Functionally tridactyl (with main digit group II-IV) footprints of small- to medium-sized bipeds with occasional presence of a trace of the reversed semi-functional hallux. Footprints mesaxonic–symmetrical with digit III being longest and lateral digits that are subequal in length. Tracks lack metatarsophalangeal pads of digits II and IV, while that of digit III is occasionally present, but not clearly separated from the phalangeal portion of digit III. Digits are very narrow and widely divaricated (> 90°).