TN00022 ANTHONY'S RIVER SNAIL ATHEARNIA ANTHONYI
| Species ID | TN00022 |
| Name | SNAIL, ANTHONY'S RIVER |
| Other Common Names | |
| Category | 06 Aquatic Molluscs |
| Elcode | |
| Phylum | MOLLUSCA |
| Subphylum | |
| Class | GASTROPODA |
| Subclass | |
| Suborder | |
| Order | MESOGASTROPODA |
| Family | PLEUROCERIDAE |
| Genus | ATHEARNIA |
| Species | ANTHONYI |
| Subspecies | |
| Authority | BUDD 1854 |
| Scientific Name | ATHEARNIA ANTHONYI |
| County Name | Historical Occurrence | Resident Occurrence | General Occurrence | Seasonal Occurrence | Abundance |
| Anderson | 2 | 2 | 2 | All Seasons | |
| Knox | 2 | 2 | 2 | All Seasons | |
| Loudon | 2 | 2 | 2 | All Seasons | |
| Marion | 2 | 2 | 2 | All Seasons | |
| Monroe | 2 | 2 | 2 | All Seasons |
| Absent Within Counties | Unknown Within Counties |
Hydrologic Unit Code References TN5008
| Quadrangle | Quadrangle Name |
| 3508515 | SEQUATCHIE |
| 3508463 | LOUDON |
| 3508452 | VONORE |
| 3508388 | KNOXVILLE |
| 3508472 | CONCORD |
| 3608421 | NORRIS |
Quadrangle Distribution References TN5008
| Ecoregion | Ecoregion Name |
| 221500 | Oak-Hickory Forest |
| 221100 | Mixed Mesophytic Forest |
Ecoregion Distribution References TN5587
| River Reach | River Reach Name |
| 0601020135,3 | FORT LOUDOUN RESERVOIR |
| 0601020116,0 | WATTS BAR RESERVOIR |
| 0601020417,0 | TELLICO RESERVOIR |
| 060102047,0 | TELLICO RESERVOIR |
| 0601020417,2 | TELLICO RESERVOIR |
| 060102051,0 | NORRIS DAM |
| 0602000415,2 | LITTLE SEQUATCHIE RIVER |
| 060200041,0 | SEQUATCHIE RIVER |
| 0601020116,1 | WATTS BAR RESERVOIR |
River Reach References
Distribution General Comments HAS BEEN EXTIRPATED IN ALABAMA AND MAY BE EXTINCT THROUGHOUT ITS RANGE EXCEPT FOR A POSSIBLE RELIC POPULATION IN A TRIBUTARY STREAM OF THE TENNESSEE *TN5597*
General Distribution References
Habitat(s): AQUATIC
Comments on General Habitat
General Habitat References
| Forest Size Class Association |
Forest Size Class Association References
| Society of American Forester's Type Associations | Seral Stage | Canopy Closure |
References on SAF Type Association
| Land Use/Land Cover Associations |
| Streams and Canals |
Land Use/Land Cover Association References
TN5587
| National Wetlands Inventory Associations | Class | Modifier | Special Modifier |
| Riverine, lower perennial | Unconsolidated bottom, cobble/gravel | Nontidal, permanent | fresh |
| Riverine, lower perennial | Unconsolidated shore, cobble/gravel | Nontidal, permanent | fresh |
NWI Association References
TN5587
| Animal/Plant Associations |
Animal/Plant Association References
Habitat Evaluation Procedures Comments on HEP
HEP References
| Potential Natural Vegetation Associations |
| Appalachian Oak Forest |
| Mixed Mesophytic Forest |
PNV References
TN5587
| USFS Associations |
USFS References
| Tennessee Habitat Associations | Habitat Value | Translation |
References on TENHAB Association
| Habitat Relationships | Special Habitat Relationships |
References on Habitat Relationships
Trophic| References | |
| FILTER FEEDER | TN5587 |
| References/Lifestage | Reference Numbers |
| References/Lifestage | Reference Numbers |
PHYSICAL DESCRIPTION: SHELL RHOMBOIDALLY OVATE IN OUTLINE, EPIDERMIS OLIVE-GREEN TO YELLOWISH-BROWN, USUALLY UNDERLAIN BY 2 PURPLISH OR BROWNISH BANDS ENCIRCLING THE BODY WHORL, SPIRE SHORT, ABOUT 4 WHORLS, AND THOSE ABOVE THE BODY WHORL USUALLY EXTENSIVELY ERODED, BODY WHORL SHOULDERED BY A SERIES OF IRREGULAR TUBERCLES, USUALLY 4 OR 5, PORTION OF BODY WHORL THAT JOINS PENULTIMATE WHORL IS ROUNDED, APERTURE OVATE WITH A THIN PERISTOME, VENTRAL PARIETAL CALLUS REFLECTED, PARTIALLY COVERING A DEEP UMBILICAL DEPRESSION, A THICKENING OF THE PARIETAL CALLUS OCCURS AT THE UPPER MARGIN OF THE APERTURE, EMBRYO SMOOTH, ABOUT 1.5 WHORLS, HAS A NEARLY ROUND APERTURE AND 2 BANDS OF COLOR, COLLUMELLA DOES NOT HAVE A PEARLY CALLUS, VERY YOUNG (5 MM IN HEIGHT) HAVE 2 KEELS AT THE PERIPHERY, UPPER WHORLS CARINATE *TN5587* REPRODUCTION: FAMILY PLEUROCERIDAE IS OVIPAROUS *TN5587* AQUATICTERRESTRIAL ASSOCIATIONS: HAS BEEN REPORTED ALONG WITH IO AND ANEULOSA IN KNEE-DEEP WATER IN THE CLINCH RIVER *TN5587*
References for Life History Codes
3895, 2100, TN5587
Comments on Life History Codes
| References/Result | Reference Numbers |
Comments on Management Practices
MOUNTAIN HABITAT *TN5587*
2100* Fuller, S.L.H. 1974. Clams and mussels (Mollusca: Bivalvia). Pollution ecology of freshwater invertebrates. Academic Press, New York:215-273. 3895*. 1970. Symposium on rare and endangered mollusks. Malacologia 10(1).. TN5008* Tennessee Natural Heritage Program Data Base. Tennessee Dept. of Conservation, Ecological Services Division, Nashville, TN. TN5587* not found in Bibliography