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Base of the evolutionary tree for
Astericium
← parent
Astericium
(20 species)
Tetraedron quadricuspidatum
Tetraedron armatus
Tetraedron gigas
Tetraedron trilobulatum
Tetraedron spiniferum
Tetraedron tumidulum
Tetraedron irregulare
Tetraedron varia
Tetraedron victoriae
Tetraedron glabrum
Tetraedron smithii
Tetraedron valdezii
Tetraedron triangulare
Tetraedron quadrilobatum
Tetraedron lunula
Tetraedron verrucosum
Tetraedron obesum
Tetraedron heteracanthum
Tetraedron trigonum
Tetraedron duospinum
Other links
Encyclopedia of Life
Open Tree of Life