Taxonavigation

Taxonavigation: Synallactida 

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: Tribrachiodemas ordovicicus

Name

Tribrachiodemas ordovicicus Reich, 2010

Type stratum and locality: Pirgu stage (Late Katian) or Porkuni stage (earliest Hinantian), Upper Ordovician; Valle, Isle of Gotland, Sweden (allochthonous: from glacial erratic boulders).

Type material

  • Holotype: GZG.INV.20072, body wall ossicle
  • Paratype: GZG.INV.20073, body wall ossicle

References

  • Reich, M. 2010: The oldest synallactid sea cucumber (Echinodermata: Holothuroidea: Aspidochirotida). Paläontologische Zeitschrift, 84(4): 541–546.
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