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Geikiinae
Taxonomy
Geikiinae was named by Nopcsa (1923). It is not extant.
It was reranked as the unranked clade Geikiinae by Kammerer and Angielczyk (2009).
It was assigned to Geikiidae by Nopcsa (1923); and to Geikiidae by Kammerer and Angielczyk (2009).
It was reranked as the unranked clade Geikiinae by Kammerer and Angielczyk (2009).
It was assigned to Geikiidae by Nopcsa (1923); and to Geikiidae by Kammerer and Angielczyk (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Geikiinae Nopcsa |
| 2009 | Geikiinae Kammerer and Angielczyk |
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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.
Unr. †Geikiinae Nopcsa 1923
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G. †Aulacephalodon Seeley 1898
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†Aulacephalodon bainii Owen 1845
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Invalid names: Aulacocephalodon cadlei Broom 1948 [synonym], Aulacocephalodon hartzenbergi Broom 1937 [synonym], Aulacocephalodon haughtoni Broom 1921 [synonym], Aulacocephalodon latissimus Broom 1932 [synonym], Aulacocephalodon luckhoffi Broom 1937 [synonym], Aulacocephalodon peavoti Broom 1921 [synonym], Aulacocephalodon pricei Broom and George 1950 [synonym], Aulacocephalodon tigriceps Owen 1855 [synonym], Aulacocephalodon vanderhorsti Broom and George 1950 [synonym], Dicynodon bolorhinoides Watson 1960 [synonym], Dicynodon laticeps Broom 1912 [synonym], Proaulacocephalodon miltoni Toerien 1955 [synonym]
†Aulacephalodon cadlei Broom 1948
†Aulacephalodon rubidgei Broom 1940
Invalid names: Proaulacocephalodon Toerien 1955 [synonym]
G. †Geikia Newton 1893
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†Geikia elginensis Newton 1893
†Geikia locusticeps von Huene 1942
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Invalid names: Pelanomodon tuberosus von Huene 1942 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. F. Kammerer and K. D. Angielczyk 2009 | Autapomorphies of Geikiinae recognized in common by Angielczyk (2007), Fröbisch (2007), and Fröbisch & Reisz (2008) are: 1) transverse ridge across snout at level of prefrontals present; (2) parietal foramen surrounded by a strong, often rugose boss; (3) parietals exposed on skull roof and postorbitals steeply placed on the lateral sides of the skull and concave laterally. |