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Orthopoda (disused)

Reptilia - Orthopoda

Taxonomy
Orthopoda was named by Cope (1866). It is not extant.

It was reranked as the order Orthopoda by Osborn (1904), Nopcsa (1923), Nopcsa (1928) and Huene (1929); it was synonymized subjectively with Postpubici by Jaekel (1910); it was synonymized subjectively with Predentata by von Zittel (1911); it was synonymized subjectively with Praedentata by Tornier (1913); it was synonymized subjectively with Ornithischia by Matthew (1915), Lull (1924) and Roxo (1937).

It was assigned to Therosauria by Baur (1887); to Dinosauri by Gadow (1897); to Dinosauria by Cope (1866), Cope (1866), Cope (1869), Cope (1870), Cope (1871), Cope (1875), Cope (1877), Seeley (1879), Cope (1883), Cope (1889), Zittel (1890), Cope (1891), Cope (1898), Huene (1902), Hay (1902), Lull (1904), Lambe (1905), Lull (1917) and Joleaud (1922); to Ornithischia by Arldt (1909), Huene (1909), Huene (1914), Lull (1915) and Huene (1927); to Dinosauria by Osborn (1904), Nopcsa (1923) and Nopcsa (1928); and to Ornithischia by Huene (1929).

Synonymy list
YearName and author
1866Orthopoda Cope
1869Orthopoda Cope p. 90
1870Orthopoda Cope p. 90
1871Orthopoda Cope p. 234
1875Orthopoda Cope p. 13
1877Orthopoda Cope p. 572
1879Orthopoda Seeley p. 183
1883Orthopoda Cope p. 98
1887Orthopoda Baur p. 101
1889Orthopoda Cope p. 16
1890Orthopoda Zittel pp. 450, 736
1891Orthopoda Cope p. 43
1897Orthopoda Gadow p. 204
1898Orthopoda Cope p. 68
1902Orthopoda Hay p. 495
1902Orthopoda Huene
1904Orthopoda Lull p. 479
1904Orthopoda Osborn p. 114
1905Orthopoda Lambe p. 48
1909Orthopoda Arldt p. 263
1909Orthopoda Huene p. 17
1914Orthopoda Huene p. 38
1915Orthopoda Lull p. 117
1917Orthopoda Lull p. 117
1922Orthopoda Joleaud p. 59
1923Orthopoda Nopcsa p. 126
1927Orthopoda Huene p. 259
1928Orthopoda Nopcsa p. 184
1929Orthopoda Huene p. 155

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
RankNameAuthor
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
orderOrthopoda()
orderOrthopoda()

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.

Diagnosis
ReferenceDiagnosis
E. D. Cope 1869Proximal tarsal bones distinct from each other and from the tibia, articulating with a tibia and with a terminal face of a well developed fibula. The ilium with a massive narrowed anterior prolongation.
K. A. v. Zittel 1890Zwischenkiefer zahnlos oder nur seitlich mit Zähnen besetzt. Unterkiefer mit einem zahnlosen Symphysenbein (Praedentale). Zähne blattförmig, zusammengedrückt, am Vorder- und Hinterrand meist schief oder parallel der Längsaxe gezackt, bei längerem Gebrauch abgekaut. Nasenlöcher sehr gross, weit vorne. Prae orbitale Oeffnung klein oder fehlend. Wirbel massiv, opisthocöl, platycöl oder amphicöl. Schambeine entweder nach unten und vorn gerichtet, distal verbreitert und in der Symphyse verbunden (Ceratopsia) oder aus einem kurzen, frei nach vorn gerichteten Fortsatz und einem langen, dem Ischium parallelen Postpubis bestehend (Stegosauria, Ornithopoda). Extremitätenknochen hohl (Ornithopoda) oder massiv (Stegosauria, Ceratopsia). Vorderbeine meist sehr kurz, so dass der Körper beim Gehen von den langen Hinterbeinen getragen wird. Füsse digitigrad (Ornithopoda) oder plantigrad (Stegosauria, Ceratopsia). Hinterfüsse in der Regel mit drei, seltener mit vier functionirenden Zehen. Hautskelet sehr stark entwickelt (Stegosauria) oder fehlend {Ornithopoda).
B. F. Nopcsa 1928predentary bone on mandibular symphysis; pubes rotated backward; pubic protuberance of ilium short; never rapacious