ecofactbook
/
species
/
Animalia
/
Arthropoda
/
Trilobita
/
Ptychopariida
/
Ptychopariidae
/
Periomma
/
Periomma alabamensis
Periomma cloudi
Periomma gaspensis
Periomma typicalis
Periomma walcotti
about
Periomma alabamensis