Alan Cressler:
Amnicola species, Hiwassee River, Polk County, Tennessee 1
Alan Cressler:
Antrorbis breweri, Little Wills Valley Cave, DeKalb County, Alabama 1
Alan Cressler:
Antrorbis breweri, Little Wills Valley Cave, DeKalb County, Alabama 2
Alan Cressler:
Antrorbis breweri, Little Wills Valley Cave, DeKalb County, Alabama 4
Alan Cressler:
Antrorbis breweri, Manitou Cave, DeKalb County, Alabama 2
Alan Cressler:
Antrorbis breweri, Manitou Cave, DeKalb County, Alabama 6
Alan Cressler:
Callinina subpurpurea, Chickamauga Lake, Tennessee River, Meigs County, Tennessee 1
Alan Cressler:
Callinina subpurpurea, Chickamauga Lake, Tennessee River, Meigs County, Tennessee 1a
Alan Cressler:
Callinina subpurpurea, Chickamauga Lake, Tennessee River, Meigs County, Tennessee 2
Alan Cressler:
Callinina subpurpurea, Chickamauga Lake, Tennessee River, Meigs County, Tennessee 2a
Alan Cressler:
Campeloma decisum, Cow Castle Creek, above County Road, Orangeburg County, South Carolina 1
Alan Cressler:
Campeloma decisum, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Campeloma decisum, Hiwassee River, Cherokee National Forest, Polk County, Tennessee 1a
Alan Cressler:
Campeloma floridense, Spring Lake, Jackson County, Florida 1
Alan Cressler:
Campeloma limum, Cedar Shoals, Yellow River, Newton County, Georgia 1
Alan Cressler:
Campeloma regulare, Cahaba Valley Creek, Shelby County, Alabama 2
Alan Cressler:
Campeloma regulare, Choccolocco Creek Tributary, Coosa River Basin, Talladega National Forest, Cleburne County, Alabama 1
Alan Cressler:
Campeloma regulare, Little River, Lookout Mountain, Cherokee and DeKalb Counties, Alabama 1
Alan Cressler:
Campeloma regulare, Old Fort Creek, Polk County, Tennessee 1
Alan Cressler:
Campeloma regulare, Old Fort Creek, Polk County, Tennessee 1a
Alan Cressler:
Elimia albanyensis, Chattahoochee River, Chattahoochee River National Recreation Area, Cobb and Fulton Counties, Georgia 1
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 1
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 1a
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 2
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 2a
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 3
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 3a
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 4
Alan Cressler:
Elimia arachnoidea, Paps Branch, Bradley County, Tennessee 4a
Alan Cressler:
Elimia arachnoidea, Steekee Creek, Loudon County, Tennessee 1
