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Metopaster spencerii
Taxonomy
Metopaster spencerii was named by Brünnich-Nielsen (1943). It is not extant. Its type specimen is Mineralogical Museum, Copenhagen.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1943 | Metopaster spencerii Brünnich-Nielsen pp. 35-36 figs. pl. 1, fig. 16-17; pl. 2, fig. 1 |
| 1950 | Metopaster spencerii Rasmussen pp. 46-47 figs. pl. 5, fig. 4j; pl. 5, fig. 5-8 |
| 1979 | Metopaster spencerii Rasmussen p. 70 |
| 1987 | Metopaster spencerii Gale p. 26 figs. pl. 4, fig. 4 |
| 1999 | Metopaster spencerii Jagt figs. pl. 2, fig. 17 |
| 2000 | Metopaster spencerii Jagt pp. 403-404 figs. pl. 25, fig. 1-9 |
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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 spencerii Brünnich-Nielsen 1943
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. W. Rasmussen 1950 | A Metopaster whose sides are concave, and whose marginals have a breadth, which is less than both the length, and the height. The narrow ultimate superomarginal attains its greatest height in a powerful swelling near the distal end. The ornament consits of scattered granule-pits. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||