Lingulellotretidae is an extinct family of
brachiopods, with an extended pseudointerarea, including some soft-shelled representatives.
The lingulellotretids are possibly close relatives of the
Siphonotretids.
Soft tissue is occasionally known.
[Zhang, Z., Han, J., Zhang, X., Liu, J., Guo, J., and Shu, D. (2007). Note on the gut preserved in the Lower Cambrian Lingulellotreta (Lingulata, Brachiopoda) from southern China. Acta Zool. 88, 65–70.]
References
Brachiopod families
{{paleo-protostome-stub
Cambrian genus extinctions