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Abrekopsis depresispirus
Taxonomy
Naticopsis (Naticopsis) depresispirus was named by Batten and Stokes (1986). Its type specimen is AMNH 42975 and is a 3D body fossil. Its type locality is AMNH3026, Windowblind Butte, San Rafael Swell, which is in a Smithian lagoonal/restricted shallow subtidal packstone in the Moenkopi Formation of Utah.
It was recombined as Abrekopsis depresispirus by Kaim (2009) and Hofmann and Nützel (2013).
It was recombined as Abrekopsis depresispirus by Kaim (2009) and Hofmann and Nützel (2013).
Synonymy list
Year | Name and author |
---|---|
1986 | Naticopsis (Naticopsis) depresispirus Batten and Stokes p. 12 figs. 11-13 |
2009 | Abrekopsis depresispirus Kaim p. 150 fig. 140 |
2013 | Abrekopsis depresispirus Hofmann and Nützel p. 570 fig. 14C |
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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.
†Abrekopsis depresispirus Batten and Stokes 1986
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 4 | 4.64 | 1.40 | 7.70 | 6.58 | 2.87 | |
shell diameter | 4 | 5.13 | 1.40 | 8.93 | 7.46 | 3.39 |
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Source: f = family, superf = superfamily, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004, Squires 1976 |
Age range: Spathian or 251.30000 to 247.20000 Ma
Collections (20 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Griesbachian | Russian Federation | Abrekopsis depresispirus (90207) | |
Smithian | USA (Utah) | Abrekopsis depresispirus (156096 156097 156098 156099 156100 156107 156110 156111 156112 156113 156114) Naticopsis depresispirus (type locality: 44283) | |
Spathian | USA (Utah) | Naticopsis depresispirus (62971 63143 63295 63296) | |
Dienerian | Russian Federation | Abrekopsis depresispirus (90210 90211 90218) |