†Helicoconchus Wilson et al. 2011 (mollusk)
Full reference: M. A. Wilson, O. Vinn, and T. E. Yancey. 2011. A new microconchid tubeworm from the Lower Permian (Artinskian) of central Texas, USA. Acta Palaeontologica Polonica
Parent taxon: Microconchida according to M. A. Wilson et al. 2011
Sister taxa: Microconchus, Palaeoconchus, Polonoconchus, Punctaconchus
Subtaxa: Helicoconchus elongatus
Type: Helicoconchus elongatus
Ecology: stationary semi-infaunal suspension feeder