Rhodacmea filosa was originally discovered and described (under the name Ancylus filosus) by Timothy Abbott Conrad in 1834.
Conrad's type description reads as follows:
Rhodacmea filosa has an elevated patelliform shell with ribbing in the form of strong radiating lines running from the apex to the aperture.
Rhodacmea filosa was originally discovered and described (under the name Ancylus filosus) by Timothy Abbott Conrad in 1834. Conrad's type description reads as follows:
Rhodacmea filosa has an elevated patelliform shell with ribbing in the form of strong radiating lines running from the apex to the aperture.
Wicker ancylid