Rhabdotubus

Rhabdotubus
Temporal range:
Scientific classification
Kingdom:
Animalia
Phylum:
Hemichordata
Class:
Pterobranchia
Genus:
Rhabdotubus
Species
  • R. robustus
  • R. johanssoni (type)

The Lower-Middle Cambrian animal Rhabdotubus is the earliest known pterobranch. It bears strong similarity to the graptolites - indeed for some time it was misclassified as a dendroid graptolite.

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