- Guerra-Sommer, M.; Uhl, D. (2023). "Small but not trivial:
Nothostigma sepeensis sp. nov., a
lycopsid from the
Cisuralian (early Permian) of the ParanĂ¡...
- Guerra-Sommer, M.; Uhl, D. (2022). "Small but not trivial:
Nothostigma sepeensis sp. nov., a
lycopsid from the
Cisuralian (early Permian) of the ParanĂ¡...