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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Irregularia
Holectypoida
Holectypidae

Holectypus (21291644)

Children (24 direct children, 25 direct and indirect children):

Holectypus depressus

Holectypus planatus

Holectypus sinzovi

Holectypus choffati

Holectypus ouremensis

Holectypus adkinsi

Holectypus almeidae

Holectypus boschmai

Holectypus bullardi

Holectypus decoratus

Holectypus depressoides

Holectypus engerrandi

Holectypus hians

Holectypus hondoensis

Holectypus khamirensis

Holectypus khelilense

Holectypus leuthardti

Holectypus montalvensis

Holectypus ovatus

Holectypus parvus

Holectypus phelani

Holectypus pictaviense

Holectypus subpentagonalis

Holectypus larteti (tree size 1)