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Stellaster ottoi
Taxonomy
Stellaster ottoi was named by Geinitz (1871). It is not extant. Its type specimen is Probably at the Museum of Dresden.
Synonymy list
| Year | Name and author |
|---|---|
| 1871 | Stellaster ottoi Geinitz pp. 87-88 figs. pl. 21 fig. 1-2 |
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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.
†Stellaster ottoi Geinitz 1871
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. B. Geinitz 1871 | Form stellate. Arms short, triangular. R=49 mm and r=27mm for a ratio R/r close to 0.55. Interbrachial arc regularly rounded. Probably 15 pairs of marginal plates par half-arc. Marginal plates approximately twice as wide as long in the interbrachial arc to square in the arm tip. External face covered by dense granule-pits. Abactinal face paved by small hexagonal plates. Three rows of enlarged abactinal in the axis of the arm but not extending to the arm tip. Adambulacral plates large, squared, with tiny tubercles for articulation of spines. |
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 | |||||
Collections
No collection or age range data are available