Matthew Ignoffo:
Tentaculites fossils (among others) from Chicagoland, Illinois
Matthew Ignoffo:
Tentaculites fossils (among others) from Chicagoland, Illinois
Matthew Ignoffo:
Northern Sunfish, Lepomis peltastes
Matthew Ignoffo:
Fluted shell mussel, Lasmigpna costata
Matthew Ignoffo:
Creek Heelsplitter, Lasmigona compressa
Matthew Ignoffo:
Rainbow Mussel
Matthew Ignoffo:
Threeridge Mussel
Matthew Ignoffo:
Maple Leaf Mussel
Matthew Ignoffo:
Rainbow Mussel
Matthew Ignoffo:
Elktoe
Matthew Ignoffo:
Elktoe
Matthew Ignoffo:
Paper Pondshell
Matthew Ignoffo:
Slippershell mussel, Alasmidonta viridis
Matthew Ignoffo:
Higgins Eye Mussel (Lampsilis higginsi)
Matthew Ignoffo:
Fatmucket mussel, Lampsilis siliquoidea
Matthew Ignoffo:
Mucket mussel, Actinonaias ligamentina
Matthew Ignoffo:
Yellow sandshell mussel, Lampsilis teres
Matthew Ignoffo:
Yellow sandshell mussel with invasive zebra mussels attached Lampsilis teres
Matthew Ignoffo:
Hickorynut, butterfly (Iowa threatened), Higgins eye (federally endangered)
Matthew Ignoffo:
Live endangered spike mussel
Matthew Ignoffo:
Plain pocketbook mussel siphoning
Matthew Ignoffo:
Live ellipse mussel
Matthew Ignoffo:
Three mussels not commonly seen in most of Illinois
Matthew Ignoffo:
Live endangered spike mussel
Matthew Ignoffo:
Live endangered spike mussel.
Matthew Ignoffo:
Fluted shell mussel.
Matthew Ignoffo:
Sexual dimorphism in mussels
Matthew Ignoffo:
Sign of a healthy population of muckets
Matthew Ignoffo:
White heelsplitter. Lasmigona complanata
Matthew Ignoffo:
Mucket Mussel and dead Spike mussel.