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Metopaster uncatus

Asteroidea - Valvatida - Goniasteridae

Goniaster (Goniodiscus) uncatus was named by Forbes (1848). It is not extant. Its type specimen is holotype BNHM E 20265, paratype BNHM E 20264.

It was recombined as Astrogonium uncatum by Dujardin and Hupé (1862); it was recombined as Goniaster uncatus by Quenstedt (1876); it was recombined as Goniodiscus uncatus by Carpenter (1882); it was recombined as Metopaster uncatus by Sladen (1893), Spencer (1907), Spencer (1913), Valette (1915), Mercier (1935), Mercier (1936), Wright and Wright (1940), Brünnich-Nielsen (1943), Schulz and Weitschat (1975), Breton (1978), Gale (1987), Wright and Smith (1987), Breton (1988), Gale (1989), Breton (1992), Lewis (1993), Helm (1997) and Jagt (2000).

Sister species lacking formal opinion data

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Synonymy list
YearName and author
1848Goniaster (Goniodiscus) rugatus Forbes p. 471
1848Goniaster (Goniodiscus) uncatus Forbes p. 472
1850Goniaster (Goniodiscus) rugatus Forbes p. 330 figs. pl. 21 fig. 2, pl. 23 fig. 15
1850Goniaster (Goniodiscus) uncatus Forbes p. 331 figs. pl. 21, fig. 4, 5, 8 (only)
1854Goniaster (Goniodiscus) rugatus Morris p. 81
1854Goniaster (Goniodiscus) uncatus Morris p. 81
1862Astrogonium rugatum Dujardin and Hupé p. 399
1862Astrogonium uncatum Dujardin and Hupé p. 399
1876Goniaster rugatus Quenstedt p. 58 figs. pl. 92 fig. 4
1876Goniaster uncatus Quenstedt p. 58 figs. pl. 92, fig. 5
1882Goniodiscus rugatus Carpenter p. 530
1882Goniodiscus uncatus Carpenter p. 530
1893Metopaster uncatus Sladen pp. 47-51 figs. pl. 11, fig. 3; pl. 14, fig. 1-3; pl. 15
1893Metopaster cingulatus Sladen pp. 53-55 figs. pl. 14 fig. 4
1893Mitraster rugatus Sladen pp. 63-66 figs. pl. 16, fig. 4-5, non fig. 3
1907Metopaster quadratus Spencer pp. 97-99 figs. fig. 1-2
1907Metopaster uncatus Spencer p. 118 figs. fig. 20a-b
1907Mitraster rugatus Spencer p. 118 figs. fig. 19a-b
1913Metopaster uncatus Spencer figs. pl. 11 fig. 4-5, 8-10
1913Mitraster rugatus Spencer figs. pl. 11, fig. 3
1913Metopaster quadratus Spencer pp. 115-116 figs. pl. 11 fig. 4-5, 8-10
1915Metopaster uncatus Valette pp. 14-15 figs. fig. 2
1915Metopaster quadratus Valette p. 16
1915Mitraster rugatus Valette pp. 18-19 figs. fig. 4
1935Metopaster uncatus Mercier p. 29 figs. pl. 1, fig. 14a-c
1936Metopaster uncatus Mercier p. 23
1940Metopaster uncatus Wright and Wright pp. 236-238 figs. fig. 1, 4-5, pl. 14 fig. 3-4
1943Metopaster uncatus Brünnich-Nielsen p. 9 figs. fig. 4a-b
1950Metopaster cingulatus Rasmussen p. 22
1975Metopaster uncatus Schulz and Weitschat pp. 259-260 figs. pl. 25 fig. 1-5
1975Metopaster rugatus Schulz and Weitschat pp. 260-261 figs. pl. 25, fig. 8-9
1975Metopaster quadratus Schulz and Weitschat pp. 261-262 figs. pl. 25 fig. 6-7
1978Metopaster uncatus Breton pp. 27-31 figs. pl. 4 fig. 16-20 only
1987Metopaster uncatus Gale pp. 39-44 figs. fig. 13-14, pl. 5 fig. 5-20, pl. 6 fig.
1987Metopaster uncatus Wright and Smith p. 213 figs. pl. 47 fig. 1-17
1988Metopaster uncatus Breton pp. 7-10 figs. pl. 1 fig. 1
1989Metopaster uncatus Gale fig. 7c
1992Metopaster uncatus Breton pp. 128-138 figs. fig. 19, 24, 30, 48-55; pl. 6-8
1993Metopaster uncatus Lewis p. 59
1997Metopaster uncatus Helm p. 101 figs. fig. 9
2000Metopaster uncatus Jagt p. 405 figs. pl. 11, fig. 12-14

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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. Breton 1992Form pentagonal of small to medium size. Sides straight to concave with prominent angles. Four intermediate superomarginal plates and one enlarged ultimate superomarginal plates per side. Two to four superomarginal plates can be found in place of a single enlarged ultimate plate. Intermediate superomarginal plates relatively short and squared. External face with raised central area surrounded by a narrow depressed margin with fine dense granule pits. Central area of superomarginal plates without granule pits, an abactinal part, flattened to slightly concave and bearing rugosities; an abactinal bulge projecting abactinally; an adradial side vertical or highly sloped. Those features constitute a typical profile so-called "uncatus" profile. Enlarged ultimate superomarginal plates rarely triangular and short, more frequently elongated, narrow, in contact with three to six inferomarginal plates. Intermediate inferomarginal plates flattened to weakly saddle -shaped, without granule pits.