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Acrosaccus
Taxonomy
Acrosaccus was named by Willard (1928).
It was assigned to Lingulida by Nikitin and Popov (1996); to Discinidae by Williams et al. (2000); and to Orbiculoideinae by Popov (2000).
It was assigned to Lingulida by Nikitin and Popov (1996); to Discinidae by Williams et al. (2000); and to Orbiculoideinae by Popov (2000).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Acrosaccus Willard |
| 1996 | Acrosaccus Nikitin and Popov |
| 2000 | Acrosaccus Popov |
| 2000 | Acrosaccus Williams et al. p. 86 |
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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. †Acrosaccus Willard 1928
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†Acrosaccus shuleri Willard 1928
†Acrosaccus squamosus Barrande 1879
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Darriwilian - Gisbornian | Australia (New South Wales) | A. sp. (64554) | |
| Ashbyan | USA (Alaska) | A. shuleri (164853) | |
| Katian | Kazakhstan | A. sp. (80173 116472 204072 204092) | |
| Kralodvorian | Czechia (Praha) | A. squamosus (151985) | |
| Eifelian | Czechia | A. sp. (203874) |