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Base of the evolutionary tree for
Phaeogromia
← parent
Phaeogromia
(15 species)
Challengeron
→
(9 species)
Challengeron diodon
Challengeron tizardi
Challengeron channeri
Challengeron zetlandica
Challengeron heteracanthum
Challengeron willemoesii
Challengeron neptuni
Challengeron radians
Challengeron bethelli
Protocystis
→
(6 species)
Protocystis vicina
Protocystis xiphodon
Protocystis thomsoni
Protocystis tridens
Protocystis harstoni
Protocystis murrayi
Other links
Open Tree of Life