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Australophis anilioides
Taxonomy
Australophis anilioides was named by Gómez et al. (2008). Its type specimen is MML-PV181, a set of vertebrae, and it is a 3D body fossil. Its type locality is Cerro Tortugas, which is in a Campanian/Maastrichtian fluvial sandstone/siltstone in the Allen Formation of Argentina. It is the type species of Australophis.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Australophis anilioides Gómez et al. p. 483 figs. 3-4 |
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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.
†Australophis anilioides Gómez et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. O. Gómez et al. 2008 | Medium-sized anilioid, the mid-precloacal vertebrae of which show a generally depressed aspect and have poorly-developed neural spines and low neural arches lacking a posterior median notch, as in all other anilioids. However, it differs from all known anilioid species in having a thick zygosphene and from all anilioids except Hoffstetterella brasiliensis Rage, 1998 by a more developed neural spine. It differs from the latter in having a shallower interzygapophyseal constriction, a less-marked posterior embayment of the neural arch, narrower neural canal, and subcentral ridges that are laterally
convex in ventral view and which delimit a centrum that is slightly expanded anteriorly. Additionally, the cotyle and condyle are proportionally broad and the wide, shallow, and ventrally-flattened haemal keel is constricted at its mid-length and flanked posteriorly by small rounded depressions, in contrast to the condition in most anilioids. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Greene 1997, Carroll 1988 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | Australophis anilioides (type locality: 48999) Madtsoiidae indet. (49557) |