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Anomoepus lacertoideus
Taxonomy
Corvipes lacertoideus was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is ACM-ICH 32/1, a footprint, and it is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts. It is the type species of Corvipes.
It was recombined as Anomoepus lacertoideus by Dalman and Weems (2013).
It was recombined as Anomoepus lacertoideus by Dalman and Weems (2013).
Synonymy list
Year | Name and author |
---|---|
1858 | Corvipes lacertoideus Hitchcock p. 98 figs. Pl. 17:3, Pl. 47:1, Pl. 35:7 |
1871 | Corvipes lacertoideus Hitchcock p. xxi |
1889 | Corvipes lacertoideus Hitchcock p. 118 |
1894 | Corvipes lacertoideus Lyman p. 205 |
1898 | Corvipes lacertoideus Hitchcock p. 401 |
1902 | Corvipes lacertoideus Hay p. 542 |
1904 | Corvipes lacertoideus Lull p. 510 |
1917 | Corvipes lacertoideus Lull p. 123 |
1930 | Corvipes lacertoideus Hay p. 10 |
1971 | Corvipes lacertoideus Haubold p. 96 |
2013 | Anomoepus lacertoideus Dalman and Weems p. 74–75 |
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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.
†Anomoepus lacertoideus Hitchcock 1858
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Diagnosis
Reference | Diagnosis | |
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S. G. Dalman and R. E. Weems 2013 | Pes. small, tetradactyl but functionally tridactyl, usually digitigrade but occasionally semiplantigrade or plantigrade; lengths of pes imprints ranges from 23 to 45 mm, width ranges from 16 to 42 mm; relative digit lengths are III > IV > II > I; ungual marks discernible on at least some examples of each digit; divarication of pes digits II and III ranges from 25° to 43°, III and IV from 31° to 58°, and II and IV from 45° to 85°; digital pad formula 1–3–3–3–3; three metatarsophalangeal pads that are close together. |
Measurements
No measurements are available
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Source: subo = suborder, o = order | |||||
References: Marsh 1875, Kiessling 2004, Benton 1983 |
Age range: Hettangian or 201.40000 to 199.50000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Hettangian | USA (Massachusetts) | Anomoepus sp. (55331) Corvipes lacertoideus (type locality: 52986) | |
Hettangian - Sinemurian | USA (Connecticut) | Corvipes lacertoideus (53000 53023) | |
Hettangian - Sinemurian | USA (Massachusetts) | Corvipes lacertoideus (52985 52987 52996) |