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Plectodiscus
Taxonomy
Plectodiscus was named by Ruedemann (1916) [Sepkoski's age data: S Ludl Tr Carn-u]. It is not extant.
It was assigned to Velellidae by Bayer et al. (1956); and to Hydroida by Sepkoski (2002).
It was assigned to Velellidae by Bayer et al. (1956); and to Hydroida by Sepkoski (2002).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. Novack-Gottshall on 2022-12-02
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Plectodiscus Ruedemann |
| 1956 | Plectodiscus Bayer et al. p. F149 |
| 1957 | Silurovelella Fisher |
| 2002 | Plectodiscus Sepkoski |
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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. †Plectodiscus Ruedemann 1916
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†Plectodiscus berlinensis Hogler and Hanger 1989
†Plectodiscus discoideus Rauff 1939
Invalid names: Silurovelella Fisher 1957 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | USA (New York) | Silurovelella casteri (76664) | |
| Pridoli | USA (New York) | Silurovelella sp. (493) | |
| Early/Lower Emsian | Germany | Palaeonectris discoidea (26904) | |
| Late/Upper Famennian | USA (Montana) | P. latinautilus (3436) | |
| Namurian | Egypt | P. sp. (46987) | |
| Lacian | USA (Nevada) | P. berlinensis (102368) |