הזיהויים של ptychobranchus

High School Global Science class observations

High School Global Studies class observations

Mussel monitoring as part of a High School Global Science class

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, still connected. Found in muskrat midden, recently dead. Date Approximate.

Both valves, somewhat recently dead.
Sampling of the many individuals of many species found dead in the exposed River bottom.

Left valve only. Long dead.
Sampling of the many individuals of many species found dead in the exposed River bottom.

Subfossil shell (right valve fragment only) found exposed in old sediment as river-bank erodes

Subfossil shell (left valve only) found exposed in old sediment as river-bank erodes

Long dead (right valve), found among rocks in drought-lowered River.

Freshwater, found in lake, large group of shells. Are they leftover lunch or locals?