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Hemicyclopora
Taxonomy
Hemicyclopora was named by Norman (1894) [Sepkoski's age data: T Eo-u R]. It is extant.
It was assigned to Mucronellidae by Bassler (1953); to Cheilostomata by Sepkoski (2002); to Escharellidae by Bock (2006); and to Romancheinidae by Lee et al. (1997), Berning (2006), Gordon (2012), Gordon and Taylor (2015).
It was assigned to Mucronellidae by Bassler (1953); to Cheilostomata by Sepkoski (2002); to Escharellidae by Bock (2006); and to Romancheinidae by Lee et al. (1997), Berning (2006), Gordon (2012), Gordon and Taylor (2015).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Hemicyclopora Norman |
| 1953 | Hemicyclopora Bassler p. G208 |
| 1997 | Hemicyclopora Lee et al. |
| 2002 | Hemicyclopora Sepkoski |
| 2006 | Hemicyclopora Berning p. 74 |
| 2006 | Hemicyclopora Bock |
| 2012 | Hemicyclopora Gordon p. 9 |
| 2015 | Hemicyclopora 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. Hemicyclopora Norman 1894
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†Hemicyclopora dissidens Gordon and Taylor 2015
†Hemicyclopora ventricosa Gordon and Taylor 2015
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: Bock 2006, Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range: base of the Early/Lower Eocene to the top of the Early/Lower Pleistocene or 56.00000 to 0.77400 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | New Zealand (Chatham Island) | H. ventricosa (172944) | |
| Priabonian | New Zealand (North Otago) | H. sp. (172815) | |
| Tortonian | Spain | H. sp. 1, H. sp. 2 (178465) | |
| Pliocene | Antarctica | H. polita (41578) | |
| Early/Lower Pleistocene | Italy | H. multispinata (146291) |