Pennsylvania Biological Survey

Scientists, wildlife managers and policy makers working together to sustain biological diversity

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What does PABS do?
PABS Membership
- Steering Committee members
What is biological diversity?
Pennsylvania’s wild species
Pennsylvania-responsibility species
The species listing process
Amphibians and reptiles
Aquatic arthropods and plankton
Bryophytes and lichens
Fishes
Mammals
Mollusks
Ornithology
Protists and fungi
Terrestrial arthropods
Vascular plants
Climate change
Community classification

Mollusks

[under construction]

© Pennsylvania Biological Survey 2013