The excised slitshell, scientific nameGyrotoma excisa, was a species of freshwater snail, an aquatic gastropod mollusk in the family Pleuroceridae. This species was endemic to the United States. It is now extinct.

References

  1. ^ Bogan, A.E.; et al. (Mollusc Specialist Group) (2000). "Gyrotoma excisa". IUCN Red List of Threatened Species. 2000: e.T9597A13003925. doi:10.2305/IUCN.UK.2000.RLTS.T9597A13003925.en. Retrieved 17 November 2021.


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