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Luidia
Taxonomy
Luidia was named by Forbes (1839) [Sepkoski's age data: T Mi R]. It is extant. It is the type genus of Luidiidae.
It was assigned to Paxillosida by Sepkoski (2002); and to Luidiidae by Verrill (1899), Spencer and Wright (1966) and Gale (2011).
It was assigned to Paxillosida by Sepkoski (2002); and to Luidiidae by Verrill (1899), Spencer and Wright (1966) and Gale (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Luidia Forbes |
| 1899 | Luidia Verrill |
| 1966 | Luidia Spencer and Wright p. U43 |
| 2002 | Luidia Sepkoski |
| 2011 | Luidia Gale p. 57 |
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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. Luidia Forbes 1839
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Luidia alternata Say 1825
Luidia ciliaris Philippi 1837
†Luidia etchegoinensis Blake 1973
†Luidia hungarica Rakusz 1927
†Luidia sanjoaquinensis Blake 1973
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Langhian to the top of the Pleistocene or 15.97000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Langhian | Netherlands (Gelderland) | L. ciliaris (32040) | |
| Early/Lower Pliocene | USA (Florida) | L. sp. (35026) | |
| Pliocene | USA (California) | L. sp. (59924) L. sp., L. etchegoinensis (59922) | |
| Pleistocene | USA (California) | L. sanjoaquinensis (59923) |