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Arctitreta kempei
Taxonomy
Streptorhynchus kempei was named by Andersson (1914).
It was recombined as Grumantia kempei by Ustritsky and Chernyak (1963); it was recombined as Arctitreta kempei by Brabb and Grant (1971), Stehli and Grant (1971), Pavlova et al. (1991), Kalashnikov (1993) and Angiolini and Long (2008).
It was recombined as Grumantia kempei by Ustritsky and Chernyak (1963); it was recombined as Arctitreta kempei by Brabb and Grant (1971), Stehli and Grant (1971), Pavlova et al. (1991), Kalashnikov (1993) and Angiolini and Long (2008).
Synonymy list
Year | Name and author |
---|---|
1914 | Streptorhynchus kempei Andersson |
1955 | Streptorhynchus kempei Dunbar p. 63 figs. Pl 1, figs 1-13; pl 32, figs 9,10 |
1960 | Streptorhynchus kempei Ustritsky p. 102 figs. Pl 3, figs 1-2 |
1963 | Grumantia kempei Ustritsky and Chernyak p. 70 figs. Pl 2, figs 1-3 |
1971 | Arctitreta kempei Brabb and Grant p. 14 figs. Pl 2, figs 21, 22, 25 |
1971 | Arctitreta kempei Stehli and Grant p. 510 figs. Pl 61, figs 9-26 |
1991 | Arctitreta kempei Pavlova et al. p. 94 figs. Pl 22, figs 10,11 |
1993 | Arctitreta kempei Kalashnikov p. 20 figs. Pl 5, fig 6 |
2008 | Arctitreta kempei Angiolini and Long p. 92 fig. 4H |
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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.
†Arctitreta kempei Andersson 1914
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 26.7 | 20.0 | 38.1 | 25.0 | 9.38 | |
valve height | 1 | 7.80 | - | - | - | - |
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Source: c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Late/Upper Pennsylvanian to the top of the Wuchiapingian or 307.00000 to 254.17000 Ma
Collections (42 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Pennsylvanian | Svalbard and Jan Mayen | Streptorhynchus kempei (211887) | |
Artinskian | Svalbard and Jan Mayen | Streptorhynchus kempei (212503) | |
Artinskian | Mongolia | Arctitreta kempei (116263 116276) | |
Kungurian | Russian Federation | Arctitreta kempei (110007 110027) | |
Kungurian | Mongolia | Arctitreta kempei (116249 116265 116267 116270 116271 116274) | |
Kungurian | Russian Federation (Nenets Autonomous Okrug) | Streptorhynchus kempei (126201 126202) | |
Kungurian | Svalbard and Jan Mayen | Arctitreta kempei (120921) | |
Kungurian | Canada (Nunavut) | Arctitreta kempei (118084) | |
Roadian | Canada (Nunavut) | Streptorhynchus kempei (11089) | |
Wordian | Russian Federation | Grumantia kempei (119359 119361) | |
Wordian | Svalbard and Jan Mayen (Barentsøya) | Grumantia kempei (212888) | |
Wordian | USA (Alaska) | Arctitreta kempei (102526 102597 102598) | |
Wuchiapingian | Greenland | Streptorhynchus kempei (86159 86163 86532 88448 88497 96809 96810 97014 107367 107385 107386 107439 107448 107465 107470 107526 107530 107551) | |
Wuchiapingian | Svalbard and Jan Mayen | Streptorhynchus kempei (117553) |