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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)
Echinozoa
Holothuroidea (Sea cucumbers)
Aspidochirotacea
Elasipodida
Elpidiidae

Elpidia (18510969)

Children (36 direct children, 45 direct and indirect children):

Elpidia atakama

Elpidia echinata

Elpidia ninae

Elpidia minutissima

Elpidia heckeri

Elpidia adenensis

Elpidia decapoda

Elpidia theeli

Elpidia longicirrata

Elpidia gracilis

Elpidia lata

Elpidia birsteini

Elpidia chilensis

Elpidia glacialis (tree size 7)

Elpidia belyaevi

Elpidia sundensis

Elpidia solomonensis

Elpidia kermadecensis

Elpidia kurilensis

Elpidia uschakovi

Elpidia javanica

Elpidia antarctica

Elpidia ambigua

Elpidia elongata

Elpidia globosa

Elpidia hanseni (tree size 2)

Elpidia incerta

Elpidia mollis

Elpidia murrayi

Elpidia papillosa

Elpidia purpurea

Elpidia rigida

Elpidia soyoae

Elpidia verrucosa

Elpidia willemoësi

Elpidia nana