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Trinucleus
Taxonomy
Trinucleus was named by Murchison (1839) [Sepkoski's age data: O Llvi-l O Llde-u Sepkoski's reference number: 795]. It is not extant.
It was assigned to Trinucleidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Trinucleidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1839 | Trinucleus Murchison |
1950 | Edgellia Shaw |
2002 | Trinucleus Jell and Adrain p. 455 |
2002 | Trinucleus Sepkoski |
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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.
G. †Trinucleus Murchison 1839
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†Trinucleus acervulosus Raymond 1920
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Invalid names: Trinucleus acervulosus Raymond 1925 [synonym]
†Trinucleus conollyi Fortey 2006
†Trinucleus seticornis Hisinger 1840
Invalid names: Edgellia Shaw 1950 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, c = class | |||||
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy 2009 |
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Arenig | Bolivia (Tarija) | T. sp. (9107) | |
Arenig | Bolivia (Avilés) | T. sp. (9104) | |
Kunda - Uhaku | Norway (Sandsvær - Eiker) | T. foveolatus (194766) | |
Early/Lower Llanvirn | Argentina (Jujuy) | T. sp. (8778) | |
Early/Lower Llanvirn | United Kingdom | T. acutofinalis (69850) | |
Late/Upper Llanvirn | United Kingdom | T. acutofinalis (69869) | |
Llandeilo | Sweden (Vastergotland) | T. foveolatus (77097) T. sp. (77098) | |
Dobrotivian - Berounian | France | T. sp. (20846 20850) | |
Costonian - Harnagian | United Kingdom (Wales) | T. conollyi (216443) | |
Sandbian | United Kingdom (Wales) | T. sp. (120626) |