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Morphology Ecology and taphonomy   Age range and collections

Amblypygus

Echinoidea - Echinoneoida - Echinoneidae

Synonymy list
YearName and author
1840Amblypygus Agassiz p. 17
1966Amblypygus Wagner and Durham p. U450
2002Amblypgus Sepkoski, Jr.
2009Amblypygus Smith

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEchinozoa
classEchinoidea()
RankNameAuthor
subclassEuechinoideaBronn 1860
infraclassAcroechinoidea()
Carinacea
Irregularia()
orderEchinoneoida()
familyEchinoneidae()
genusAmblypygus

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.

Diagnosis
ReferenceDiagnosis
C. D. Wagner and J. W. Durham 1966Circular to ovate, low-arched to hight subconial, flattened orally; apical system apparently tetrabasal; peristome sunken, subrounded to oblique; periproct large,pyriform,inframarginal; tubercles perforate, crenulate; no evidence of girdle or lantern in adult.