Helicoconchus

Helicoconchus
Temporal range: Early Permian[1]
Helicoconchus elongatus Wilson et al., 2011 from Lower Permian of Texas.
Scientific classification Edit this classification
Kingdom: Animalia
Class: †Tentaculita
Order: †Microconchida
Family: †Helicoconchidae
Genus: †Helicoconchus
Wilson, Yancey and Vinn, 2011

Helicoconchus is a microconchid genus that occurs in the Lower Permian of Texas. It forms small reef-like bodies of tubes branching from a common origin. The impunctate tubes are greatly elongated for microconchids and have occasional diaphragms with central pits. The tubes branch in two ways: budding from the tube wall and binary fission. They lived in shallow, normal marine environments.[1]

Helicoconchus elongatus; view of branching aggregation of tubes.

References

  1. ^ a b Wilson, M.A.; Yancey, T.E.; Vinn, O. (2011). "A new microconchid tubeworm from the Lower Permian (Artinskian) of central Texas, USA". Acta Palaeontologica Polonica. 56: 785–791. doi:10.4202/app.2010.0086.
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