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Machairagnostus
Taxonomy
Machairagnostus was named by Harrington and Leanza (1957) [Sepkoski's age data: Cm Trep-u]. It is not extant.
It was assigned to Pseudagnostinae by Harrington and Leanza (1957); to Agnostida by Sepkoski (2002); and to Diplagnostidae by Jell and Adrain (2002).
It was assigned to Pseudagnostinae by Harrington and Leanza (1957); to Agnostida by Sepkoski (2002); and to Diplagnostidae by Jell and Adrain (2002).
Species
Synonyms
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Synonymy list
Year | Name and author |
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1957 | Machairagnostus Harrington and Leanza |
1975 | Tarayagnostus Suarez Soruco |
2002 | Machairagnostus Jell and Adrain p. 401 |
2002 | Machairagnostus 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. †Machairagnostus Harrington and Leanza 1957
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†Machairagnostus corrugatus Suarez Soruco 1976
†Machairagnostus tmetus Harrington and Leanza 1957
Invalid names: Tarayagnostus Suarez Soruco 1975 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, o = order | |||||
References: Kiessling 2004, Hendy 2009 |
Age range: Skullrockian or 488.90000 to 483.40000 Ma
Collections (15 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Furongian | Argentina | Pseudorhaptagnostus tmetus (223798) Pseudorhaptagnostus tmetus, Pseudorhaptagnostus corrugatus (235392 235393) | |
Furongian | Argentina (La Rioja) | Pseudorhaptagnostus tmetus (42518) | |
Stage 10 - Tremadoc | Argentina (Jujuy) | M. tmetus (115690) | |
Skullrockian | Argentina (La Rioja) | M. tmetus (116138) | |
Tremadoc | Argentina (Salta) | M. tmetus (115765 115766 115767 116003 116006) | |
Tremadoc | Bolivia | M. tmetus, Tarayagnostus corrugatus (8802) | |
Tremadoc | Bolivia (Tarija) | M. sp. (210709) | |
Tremadoc | Argentina | M. sp. (8866 9021) |