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Stegomus arcuatus
Taxonomy
Stegomus arcuatus was named by Marsh (1896). Its type specimen is YPM 1647, a set of postcrania (natural cast of dorsal carapace), and it is a cast. Its type locality is Freeman Clark Quarry, Fair Haven, which is in an Alaunian terrestrial sandstone in the New Haven Formation of Connecticut. It is the type species of Stegomus.
It was recombined as Aetosaurus arcuatus by Lucas et al. (1998), Heckert and Lucas (1999) and Heckert and Lucas (2000).
It was recombined as Aetosaurus arcuatus by Lucas et al. (1998), Heckert and Lucas (1999) and Heckert and Lucas (2000).
Subspecies
Synonymy list
Year | Name and author |
---|---|
1896 | Stegomus arcuatus Marsh |
1902 | Stegomus arcuatus Hay p. 511 |
1915 | Stegomus arcuatus Lull p. 99 |
1917 | Stegomus arcuatus Lull p. 110 |
1922 | Stegomus arcuatus Huene p. 23 |
1930 | Stegomus arcuatus Hay p. 139 |
1967 | Stegomus arcuatus Charig p. 709 |
1998 | Aetosaurus arcuatus Lucas et al. |
1999 | Aetosaurus arcuatus Heckert and Lucas |
2000 | Aetosaurus arcuatus Heckert and Lucas |
2013 | Stegomus arcuatus Desojo et al. |
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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.
†Stegomus arcuatus Marsh 1896
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†Stegomus arcuatus jerseyensis Jepsen 1948
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
References: Benton 1983, Carroll 1988, Hendy et al. 2009 |
Age range: Alaunian or 215.56000 to 212.00000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Carnian - Norian | USA (North Carolina) | Stegomus arcuatus (89149) | |
Norian | USA (New Jersey) | Stegomus arcuatus (89131 92082) | |
Alaunian | USA (Connecticut) | Stegomus arcuatus (type locality: 91750) |