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Ophiactis
Taxonomy
Ophiactis was named by Lütken (1856). It is extant.
It was assigned to Ophiactininae by Matsumoto (1915); and to Ophiactidae by Spencer and Wright (1966), Jagt (2000), Martin-Medrano et al. (2009) and O'Hara et al. (2018).
It was assigned to Ophiactininae by Matsumoto (1915); and to Ophiactidae by Spencer and Wright (1966), Jagt (2000), Martin-Medrano et al. (2009) and O'Hara et al. (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1856 | Ophiactis Lütken |
| 1915 | Ophiactis Matsumoto p. 69 |
| 1966 | Ophiactis Spencer and Wright p. U100 |
| 2000 | Ophiactis Jagt p. 26 |
| 2009 | Ophiactis Martin-Medrano et al. p. 84 |
| 2018 | Ophiactis O'Hara et al. p. 21 |
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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. Ophiactis Lütken 1856
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†Ophiactis applegatei Martin-Medrano et al. 2009
†Ophiactis sulcata Kutscher and Jagt 2000
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Warner 1982, Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Albian to the top of the Early/Lower Maastrichtian or 105.30000 to 66.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Mexico (Puebla) | Ophiura sp. (80283) | |
| Late/Upper Campanian | Belgium (Liege) | O. sulcata (32147) | |
| Late/Upper Campanian | France (Landes) | O. sp. (38810) | |
| Early/Lower Maastrichtian | France (Landes) | O. sp. (214113) | |
| Early/Lower Maastrichtian | Germany (Mecklenburg-Vorpommern) | O. sulcata (32022) | |
| Early/Lower Maastrichtian - Maastrichtian | Denmark | O. sulcata (32023) |