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Megadesmus
Taxonomy
Megadesmus was named by Sowerby (1838) [Sepkoski's age data: P Asse P u]. It is the type genus of Megadesmidae.
It was assigned to Pholadomyoida by Sepkoski (2002); and to Megadesmidae by Morris et al. (1991) and Cairncross et al. (2005).
It was assigned to Pholadomyoida by Sepkoski (2002); and to Megadesmidae by Morris et al. (1991) and Cairncross et al. (2005).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1838 | Megadesmus Sowerby p. 14 |
1847 | Cleobis Dana |
1988 | Megadesmus (Cleobis) Waterhouse p. 184 |
1991 | Megadesmus Morris et al. p. 93 |
2002 | Megadesmus Sepkoski |
2005 | Megadesmus Cairncross et al. p. 552 |
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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. †Megadesmus Sowerby 1838
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Subg. †Megadesmus (Megadesmus) Sowerby 1838
†Megadesmus borealis Muromtseva 1984
†Megadesmus deflatus Waterhouse 1983
†Megadesmus dembskajae Guskov 1984
†Megadesmus globlosus Sowerby 1838
†Megadesmus globosus Sowerby 1838
†Megadesmus gryphoides de Koninck 1876
†Megadesmus nobilissimus de Koninck 1876
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Invalid names: Edmondia intermedia de Koninck 1876 [synonym]
†Megadesmus ovalis Sowerby 1847
†Megadesmus pristinus Runnegar 1972
†Megadesmus robusta Laseron 1910
†Megadesmus trigonalis Johnston 1887
Invalid names: Cleobis Dana 1847 [synonym]
Diagnosis
No diagnoses are available