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Echinarachnius

Echinoidea - Clypeasteroida - Echinarachniidae

Taxonomy
Echinarachnius was named by Gray (1825) [Sepkoski's age data: T Mi-m R]. It is extant.

It was reranked as Scutella (Echinarachnius) by Clark (1909); it was corrected as Echinarachinus by Wagner (1974).

It was assigned to Scutella by Clark (1909); to Echinoidea by Pack (1909); to Scutellidae by Grant and Hertlein (1938); to Scutellidae by Clark and Twitchell (1915) and Cooke (1942); to Echinarachniidae by Durham (1955), Durham (1966) and Wagner (1974); and to Clypeasteroida by Sepkoski (2002).

Synonymy list
YearName and author
1825Echinarachnius Gray p. 428
1909Scutella (Echinarachnius) Clark p. 140
1909Echinarachinus Pack p. 281
1915Echinarachnius Clark and Twitchell p. 195
1938Echinarachnius Grant and Hertlein p. 56
1942Echinarachnius Cooke p. 16
1955Echinarachnius Durham p. 163 figs. Figs. 1, i; 3, b; 6, e; 8, a; 9, a; 10, a; 23; 24; 26, 1; 3;4, a-c; pl. 2, fig. 4
1966Echinarachnius Durham p. U481
1974Echinarachinus Wagner p. 109
2002Echinarachnius Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
Echinozoa()
classEchinoidea()
subclassEuechinoideaBronn 1860
RankNameAuthor
superorderAcroechinoidea()
Carinacea
Irregularia()
Microstomata
Neognathostomata
orderClypeasteroida
suborderScutellina()
infraorderScutelliformes
familyEchinarachniidae
genusEchinarachnius

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. Echinarachnius Gray 1825
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Echinarachnius alaskense Durham 1957
Echinarachnius andersoni Twitchell 1905
Echinarachnius parma Lamarck 1816
Echinarachnius plafkeri Wagner 1974
Echinarachnius ungaensis Wagner 1974
Diagnosis
No diagnoses are available