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Apatopus lineatus
Taxonomy
Otozoum lineatus was named by Bock (1952). It is considered to be a form taxon. Its type specimen is LC S490, MCZ 212, a footprint, and it is a trace fossil. Its type locality is Smith Clark's quarry, Milford (level B), which is in a Norian terrestrial shale/sandstone in the Passaic Formation of New Jersey. It is the type species of Apatopus.
It was recombined as Apatopus lineatus by Baird (1957), Kuhn (1958), Kuhn (1963), Haubold (1971), Olsen (1980), Biron and Dutuit (1981), Olsen and Baird (1986), Conrad et al. (1987), Rainforth (2003), Rainforth (2007), Lagnaoui et al. (2012) and Klein and Lucas (2021).
It was recombined as Apatopus lineatus by Baird (1957), Kuhn (1958), Kuhn (1963), Haubold (1971), Olsen (1980), Biron and Dutuit (1981), Olsen and Baird (1986), Conrad et al. (1987), Rainforth (2003), Rainforth (2007), Lagnaoui et al. (2012) and Klein and Lucas (2021).
Synonymy list
Year | Name and author |
---|---|
1952 | Otozoum lineatus Bock pp. 408-409 figs. Pl. 46, 48 |
1957 | Apatopus lineatus Baird p. 486 figs. 7, 8 |
1958 | Apatopus lineatus Kuhn p. 21 |
1963 | Apatopus lineatus Kuhn p. 77 |
1971 | Apatopus lineatus Haubold p. 59 |
1980 | Apatopus lineatus Olsen p. 28 |
1981 | Apatopus lineatus Biron and Dutuit p. 413 |
1986 | Apatopus lineatus Olsen and Baird p. 21 |
1987 | Apatopus lineatus Conrad et al. p. 131 |
2003 | Apatopus lineatus Rainforth p. 818 |
2007 | Apatopus lineatus Rainforth p. 55 |
2012 | Apatopus lineatus Lagnaoui et al. p. 240 |
2021 | Apatopus lineatus Klein and Lucas p. 50–51 |
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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.
†Apatopus lineatus Bock 1952
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Diagnosis
Reference | Diagnosis | |
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D. Baird 1957 | Quadrupedal trackway with pace angulation about 108°, pes but not manus toed-out. Feet pentadactyl with well-developed articular swellings and sharp claws; manus short and symmetrically radiate, pes long and narrow with digits in order of increasing length V-I-II-III-IV. | |
H. Klein and S. G. Lucas 2021 | Trackways of a quadruped with pace angulation of the pes ranging from 108° to 120°. Pes, but not manus, toed out. Pes long and narrow, semiplantigrade to plantigrade, pentadactyl with slender digits increasing in length from I to IV. Digit IV often very faintly impressed or missing; digit V straight, antero-laterally oriented and with posteriorly-elongated “heel.” Digits with well-developed articular swellings and sharp claws. Manus pentadactyl, semiplantigrade, short, rounded and symmetrical around digit III, which is longest; manus positioned in the trackway anterior to or slightly medial to the pes. |
Measurements
No measurements are available
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Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988, Benton 1983 |
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Carnian | USA (North Carolina) | Apatopus lineatus (55526) | |
Carnian | Germany (Bavaria) | Apatopus lineatus (195708) | |
Carnian | Morocco (Marrakesh-Tensift-El Haouz) | Apatopus lineatus (219917) | |
Carnian | Morocco (Marrakech-Safi) | Apatopus lineatus (195710 205547) | |
Tuvalian | Germany | Apatopus lineatus (153474) | |
Tuvalian | Germany (Bavaria) | Apatopus lineatus (195709) | |
Norian | USA (New Jersey) | Anomoepus minor, Polemarchus gigas (type locality: 46622) Apatopus sp. (55412) | |
Norian | USA (New York) | Apatopus lineatus (57917) | |
Lacian - Alaunian | USA (Virginia) | Apatopus lineatus (68889) | |
Rhaetian | USA (Utah) | Apatopus sp. (57063) |