Invasion

Invasion Description

1st Record, Type Locality: Philadelphia/PA/Delaware River (Lesuer 1823, cited by Van Name 1945) This specimen, taken from the hull of a ship, was probably dead or moribund. Its orgin is unknown.

Geographic Extent

Philadelphia/PA/Delaware River (Lesuer 1823, cited by Van Name 1945) This specimen, taken from the hull of a ship, was probably dead or moribund. Its orgin is unknown.