FLUTEDSHELL |

Photo by Bob Gress
used by permission
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Flutedshell
Lasmigona costataFederal
Status:
None
State Status:
Threatened |
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- Range:

Dark Blue = Counties with designated critical habitat
Light Blue = Historical records
- Comments: The flutedshell can be best identified by the wavy flutings on its posterior
end. These look like rounded hills and valleys that resemble corrugations. If a shell is
found, the lateral teeth are absent or so reduced they do not interlock. In Kansas, the
flutedshell can be found in the Spring and Neosho rivers. A riverbed of mostly gravel with
moderate current is ideal habitat for this mussel. The larval forms, called glochidia, of
the flutedshell attach to the fins of their fish hosts using a pair of tiny hooks. They
remain attached until they metamorphose and drop off as miniature mussels. Meanwhile, the
fish host may transport them to new habitat. The fish hosts that occur in Kansas are
largemouth bass, banded darter, northern hogsucker and common carp.

Other Gastropods on
the Kansas T&E List
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Kansas Wildlife Refuge
Text: Ed Miller and Bob Gress
Range Maps and Web Design: Jim Mason
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