Helicoconchus

Helicoconchus; Temporal range: Early Permian PreꞒ Ꞓ O S D C P T J K Pg N
	Helicoconchus elongatus Wilson et al., 2011 from Lower Permian of Texas.
Scientific classification
Kingdom:	Animalia
Class:	†Tentaculita
Order:	†Microconchida
Family:	†Helicoconchidae; Zatoń in Zatoń and Olempska, 2017
Genus:	†Helicoconchus; Wilson, Vinn and Yancey, 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.

References

1 2 Wilson, M.A.; Vinn, O.; Yancey, T.E. (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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[Wilson2011-1] 1 2 Wilson, M.A.; Vinn, O.; Yancey, T.E. (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.

Helicoconchus Temporal range: Early Permian PreꞒ Ꞓ O S D C P T J K Pg N

Helicoconchus elongatus Wilson et al., 2011 from Lower Permian of Texas.
Scientific classification
Kingdom:	Animalia
Class:	†Tentaculita
Order:	†Microconchida
Family:	†Helicoconchidae Zatoń in Zatoń and Olempska, 2017
Genus:	†Helicoconchus Wilson, Vinn and Yancey, 2011