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Linguagnostus
Taxonomy
Linguagnostus was named by Kobayashi (1939) [Sepkoski's age data: Cm mMid-u Cm uMid-u Sepkoski's reference number: 16]. It is not extant.
It was assigned to Agnostida by Sepkoski (2002); and to Diplagnostidae by Whittington et al. (1997) and Jell and Adrain (2002).
It was assigned to Agnostida by Sepkoski (2002); and to Diplagnostidae by Whittington et al. (1997) and Jell and Adrain (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1939 | Linguagnostus Kobayashi |
1978 | Cristagnostus Rushton |
1997 | Linguagnostus Whittington et al. p. 364 |
2002 | Linguagnostus Jell and Adrain p. 398 |
2002 | Cristagnostus Sepkoski |
2002 | Linguagnostus 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. †Linguagnostus Kobayashi 1939
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†Linguagnostus paibiensis Dong 1991
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Invalid names: Linguagnostus transversus Yang et al. 1993 [synonym]
†Linguagnostus reconditus Poletaeva and Romanenko 1970
†Linguagnostus stenus Peng and Robison 2000
†Linguagnostus wanyuanensis Yang et al. 1993
Invalid names: Cristagnostus Rushton 1978 [synonym]
Diagnosis
No diagnoses are available