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Altispinax
Taxonomy
Altispinax was named by Huene (1923).
It was synonymized subjectively with Megalosaurus by Romer (1956), Tatarinov (1964), Steel (1970); it was considered a nomen dubium by Holtz et al. (2004).
It was assigned to Megalosaurinae by Nopcsa (1928); to Carnosauria by Kuhn (1939); to Megalosauridae by Huene (1923), Swinton (1936), Huene (1948), Swinton (1970), Molnar (1980); to Spinosauridae by Walker (1964), Romer (1966), Taquet (1984), Carroll (1988), Kurzanov (1989); to Carnosauria by Ruiz-Omeñaca and Canudo (2003); and to Theropoda by Maisch (2016).
It was synonymized subjectively with Megalosaurus by Romer (1956), Tatarinov (1964), Steel (1970); it was considered a nomen dubium by Holtz et al. (2004).
It was assigned to Megalosaurinae by Nopcsa (1928); to Carnosauria by Kuhn (1939); to Megalosauridae by Huene (1923), Swinton (1936), Huene (1948), Swinton (1970), Molnar (1980); to Spinosauridae by Walker (1964), Romer (1966), Taquet (1984), Carroll (1988), Kurzanov (1989); to Carnosauria by Ruiz-Omeñaca and Canudo (2003); and to Theropoda by Maisch (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 1923 | Altispinax Huene p. 453 |
| 1928 | Altispinax Nopcsa p. 183 |
| 1936 | Altispinax Swinton p. 208 |
| 1939 | Altispinax Kuhn p. 74 |
| 1948 | Altispinax Huene p. 90 |
| 1964 | Altispinax Walker p. 128 |
| 1966 | Altispinax Romer p. 369 |
| 1970 | Altispinax Swinton p. 143 |
| 1980 | Altispinax Molnar p. 137 |
| 1984 | Altispinax Taquet p. 217 |
| 1988 | Altispinax Carroll |
| 1989 | Altispinax Kurzanov p. 4 |
| 2003 | Altispinax Ruiz-Omeñaca and Canudo p. 297 |
| 2016 | Altispinax Maisch |
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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.
G. †Altispinax Huene 1923
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. W. Maisch 2016 | Large theropod; posterior dorsal vertebrae bear-
ing high neural spines possibly forming a short sail in front of the hip region, longest neural spines have at least 5 times the height of centrum and are distinctly constricted just dor- sal to the neural arches. |