Xenosiphon branchiatus (Fischer, 1894)
Nomenclature
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Family: SipunculidaeGenus: Xenosiphon
SUMMARY
(Cutler & Cutler, 1985).
Zoologisches Institut und Zoologisches: type of S. branchiatus ZMUH-V2101.
National Museum of Natural History: paratype of X. caribaeum USNM 23790.