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Metopaster laevis
Taxonomy
Ravniaster laevis was named by Brünnich-Nielsen (1943). It is not extant.
It was recombined as Metopaster laevis by Schulz and Weitschat (1971), Villier (2010).
It was recombined as Metopaster laevis by Schulz and Weitschat (1971), Villier (2010).
Subspecies
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1943 | Mitraster hunterii laevis Brünnich-Nielsen pp. 38-39 |
1943 | Ravniaster laevis Brünnich-Nielsen pp. 47-48 figs. pl. 3 fig. 8 |
1950 | Ravniaster laevis Rasmussen pp. 37-40 figs. pl. 3, fig. 11-14 |
1971 | Metopaster laevis Schulz and Weitschat p. 111 figs. pl. 23 fig. 1-6 |
1979 | Ravniaster laevis Rasmussen p. 70 |
2010 | Metopaster laevis Villier |
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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.
†Metopaster laevis Brünnich-Nielsen 1943
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†Mitraster hunterii laevis Brünnich-Nielsen 1943
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Diagnosis
Reference | Diagnosis | |
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H. W. Rasmussen 1950 | Metopaster with three superomarginal plates on each side of the arm. External face completely smooth. |
Measurements
No measurements are available
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Source: f = family, c = class, p = phylum | |||||
References: Aberhan 1992, Aberhan et al. 2004, Blake 1990 |
Collections
No collection or age range data are available