Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Holothuroidea
Ordo: Synallactida
Familia: Synallactidae
Genus: Tribrachiodemas
Species: T. ordovicicus
Name
Tribrachiodemas Reich, 2010
Type species
Tribrachiodemas orodovicicus Reich, 2010, by original designation.
References
Reich, M. 2010: The oldest synallactid sea cucumber (Echinodermata: Holothuroidea: Aspidochirotida). Paläontologische Zeitschrift, 84(4): 541–546.
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