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Meadowtownella trentonensis
Taxonomy
Acidaspis trentonensis was named by Hall (1847). Its type specimen is AMNH 853/2 and is a 3D body fossil.
It was recombined as Leonaspis trentonensis by Whittington (1941); it was recombined as Primaspis trentonensis by Ross (1979); it was recombined as Meadowtownella trentonensis by Brett et al. (1999).
It was recombined as Leonaspis trentonensis by Whittington (1941); it was recombined as Primaspis trentonensis by Ross (1979); it was recombined as Meadowtownella trentonensis by Brett et al. (1999).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Acidaspis trentonensis Hall p. 240 figs. pl. 64, fig. 4a-f |
| 1941 | Leonaspis trentonensis Whittington p. 502 figs. pl. 74, figs. 31-37 |
| 1979 | Primaspis trentonensis Ross p. D8 figs. pl. 4, figs. 8 |
| 1999 | Meadowtownella trentonensis Brett et al. p. 301 fig. 9.4 |
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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.
†Meadowtownella trentonensis Hall 1847
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Middle Ordovician to the top of the Chatfieldian or 471.30000 to 451.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (New York) | Meadowtownella trentonensis (181530) Primaspis trentonensis (181529) Primaspis trentonensis, Meadowtownella trentonensis (181523) | |
| Chatfieldian | USA (New York) | Primaspis trentonensis, Meadowtownella trentonensis (181519) |