Children (92 direct children, 770 direct and indirect children):
Cucumaria
(tree size 208)
Pseudocolochirus
(tree size 8)
Ocnus
(tree size 34)
Ocnus (echinoderm)
Pentacta
(tree size 32)
Squamocnus
(tree size 4)
Stereoderma
(tree size 12)
Psolidocnus
(tree size 3)
Pseudothyone
(tree size 8)
Pseudocnus
(tree size 34)
Thyonella
(tree size 4)
Sphaerothuria
(tree size 2)
Thyonidium
(tree size 34)
Colochirus
(tree size 37)
Trachythyone
(tree size 24)
Paracucumaria
(tree size 7)
Pseudocnella
(tree size 5)
Aslia
(tree size 6)
Plesiocolochirus
(tree size 11)
Plesiocolchirus
Euthyonacta
(tree size 1)
Staurothyone
(tree size 4)
Panningia
(tree size 8)
Psolidiella
(tree size 6)
Neocucumis
(tree size 13)
Cladodactyla
(tree size 14)
Pseudopsolus
(tree size 2)
Leptopentacta
(tree size 16)
Heterocucumis
(tree size 5)
Cucuvitrum
(tree size 1)
Apsolidium
(tree size 4)
Neoamphicyclus
(tree size 6)
Pawsonia
(tree size 1)
Hemioedema
(tree size 4)
Amphicyclus
(tree size 4)
Staurocucumis
(tree size 6)
Trachycucumis
(tree size 1)
Parathyonacta
(tree size 2)
Actinocucumis
(tree size 9)
Cucamba
(tree size 1)
Mensamaria
(tree size 1)
Parathyone
(tree size 3)
Benthophyllophorus
(tree size 1)
Trachasina
(tree size 1)
Australocnus
(tree size 2)
Abyssocucumis
(tree size 4)
Apseudocnus
(tree size 1)
Psolicrux
(tree size 2)
Orbithyone
(tree size 1)
Neocucumella
(tree size 3)
Pseudoaslia
(tree size 2)
Pseudaslia
Roweia
(tree size 4)
Loisettea
(tree size 2)
Pseudrotasfer
(tree size 1)
Microchoerus
(tree size 2)
Eucyclus
(tree size 2)
Duasmodactyla
(tree size 5)
Pattalus
(tree size 2)
Semperia
(tree size 7)
Parathyonidium
(tree size 1)
Echinopsolus
(tree size 10)
Cercodemas
(tree size 1)
Pawsonellus
(tree size 1)
Paracolochirus
(tree size 1)
Pentocnus
(tree size 1)
Ekmocucumis
(tree size 4)
Cherbocnus
(tree size 2)
Pentactella
(tree size 10)
Cucumariinae
(tree size 3)
Athyonidium
(tree size 1)
Calcamariina
(tree size 2)
Psolicucumis
(tree size 2)
Hemiocnus
(tree size 4)
Devonothyoninae
Staurocaudininae
Palaeohemioedemiinae
Incubocnus
(tree size 2)
Acolochirus
(tree size 1)
Laevocnus
(tree size 2)
Thyonidiinae
Colochirinae
Anaperus
(tree size 2)
Cucusquama
(tree size 1)
Apentacta
Botryodactyla
Euthyonidium
Koehleria
Paraleptopentacta
Parocnus
Pentacucumis
Polyclados
Siphothuria
Thyonacta
Uroxia