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Amphiblestrum
Taxonomy
Amphiblestrum was named by Gray (1848) [Sepkoski's age data: K Ceno R Sepkoski's reference number: 1260]. It is extant.
It was assigned to Membraniporidae by Ulrich and Bassler (1904); to Alderinidae by Canu and Bassler (1935); to Membraniporidae by Brown (1952); to Cheilostomata by Sepkoski (2002); and to Calloporidae by Bassler (1953), Schmidt (2003), Berning (2006), Bock (2006), Gordon and Taylor (2015).
It was assigned to Membraniporidae by Ulrich and Bassler (1904); to Alderinidae by Canu and Bassler (1935); to Membraniporidae by Brown (1952); to Cheilostomata by Sepkoski (2002); and to Calloporidae by Bassler (1953), Schmidt (2003), Berning (2006), Bock (2006), Gordon and Taylor (2015).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Amphiblestrum Gray |
| 1904 | Amphiblestrum Ulrich and Bassler p. 413 |
| 1935 | Amphiblestrum Canu and Bassler |
| 1952 | Amphiblestrum Brown |
| 1953 | Amphiblestrum Bassler p. G161 |
| 2002 | Amphiblestrum Sepkoski |
| 2003 | Amphiblestrum Schmidt |
| 2006 | Amphiblestrum Berning p. 19 |
| 2006 | Amphiblestrum Bock |
| 2015 | Amphiblestrum Gordon and Taylor |
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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. Amphiblestrum Gray 1848
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Subg. Amphiblestrum (Amphiblestrum) Gray 1848
Subg. Amphiblestrum (Bathypora) MacGillivray 1885
†Amphiblestrum agellus Ulrich and Bassler 1904
†Amphiblestrum appendiculata Reus 1848
†Amphiblestrum constrictum Ulrich and Bassler 1904
†Amphiblestrum grande Canu and Bassler 1935
Amphiblestrum hastingsae Brown 1952
†Amphiblestrum paleogenicum Gordon and Taylor 2015
†Amphiblestrum planulatum Maplestone 1901
Amphiblestrum trifolium Wood 1844
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Campanian to the top of the Pliocene or 83.60000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | USA (Tennessee) | A. denticulatum (88357) | |
| Paleocene | USA (New Jersey) | A. heteropora (84051) | |
| Early/Lower Eocene | New Zealand (Chatham Island) | A. paleogenicum (172944) | |
| Rupelian | USA (Alabama) | A. curvatum (90528) | |
| Oligocene | New Zealand (North-West Nelson) | A. hastingsae (173837) | |
| Miocene - Oligocene | Australia (Victoria) | A. planulatum (173504) | |
| Altonian | New Zealand | A. trifolium (173830) | |
| Langhian | Australia (Victoria) | A. grande (174139) | |
| Middle Miocene | Romania | A. appendiculatum (178089) | |
| Middle Miocene | Czechia | A. appendiculatum (178894 178897 178898) | |
| Tortonian | Spain | A. appendiculata (178465) | |
| Pliocene | New Zealand | A. trifolium (173737 173739) |