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Pycinaster angustatus

Asteroidea - Valvatida - Pycinasteridae

Taxonomy
Goniaster (Astrogonium) angustatus was named by Forbes (1848). It is not extant.

It was recombined as Astrogonium angustatum by Dujardin and Hupé (1862); it was recombined as Astrogonium angustatus by Carpenter (1882); it was recombined as Pycinaster angustatus by Sladen (1891), Spencer (1907), Spencer (1913), Valette (1915), Mercier (1935), Mercier (1936), Spencer and Wright (1966), Schulz and Weitschat (1971), Breton (1986), Breton (1992), Lewis (1993) and Breton (1997).

Synonyms
Synonymy list
YearName and author
1848Goniaster (Astrogonium) angustatus Forbes p. 474
1850Goniaster (Astrogonium) angustatus Forbes p. 335 figs. pl. 23 fig. 10
1854Goniaster (Astrogonium) angustatus Morris p. 80
1862Astrogonium angustatum Dujardin and Hupé p. 399
1882Astrogonium angustatus Carpenter p. 529
1891Pycinaster angustatus Sladen pp. 21-24 figs. pl. 9 fig. 1
1905Pentagonaster robustus Spencer
1907Pycinaster angustatus Spencer p. 95
1913Pycinaster angustatus Spencer pp. 124-125 figs. pl. 11 fig. 12-13
1915Pycinaster angustatus Valette pp. 40-41 fig. 13
1935Pycinaster angustatus Mercier pp. 12-13 figs. pl. 1 fig. 5a-c
1936Pycinaster angustatus Mercier p. 24
1966Pycinaster angustatus Spencer and Wright p. U59 fig. 54.2
1971Pycinaster angustatus Schulz and Weitschat pp. 122-123 figs. pl. 26 fig. 1-7
1986Pycinaster angustatus Breton p. 29
1992Pycinaster angustatus Breton p. 430
1993Pycinaster angustatus Lewis p. 63
1997Pycinaster angustatus Breton p. 138

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Asterozoa()
RankNameAuthor
classAsteroidea
subclassAmbuloasteroidea
infraclassNeoasteroidea()
superorderValvatacea
orderValvatida
familyPycinasteridae()
genusPycinaster
speciesangustatus()

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.

Pycinaster angustatus Forbes 1848
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Invalid names: Pentagonaster robustus Spencer 1905 [synonym]
Diagnosis
ReferenceDiagnosis
G. Breton 1992Plates relatively small. Superomarginal plates of the disc relatively low. External face curved and rounded, the abactinal part inflated. Inferomarginal plate of the disk robust, quadrate and low.