california academy of sciences geology:
Achnanthes prava
california academy of sciences geology:
Amphora maria
california academy of sciences geology:
Anomoenesis sphaerophora minor
california academy of sciences geology:
Campylodiscus prentissi
california academy of sciences geology:
Cocconeis triumphis
california academy of sciences geology:
Cocconeis triumphis
california academy of sciences geology:
Cocconeis triumphis
california academy of sciences geology:
Cymbella couleensis
california academy of sciences geology:
Cymbella rainierensis
california academy of sciences geology:
Denticula rainierensis
california academy of sciences geology:
Diploneis stauroneiformis
california academy of sciences geology:
Frustulia bahlsii
california academy of sciences geology:
Frustulia rhomboides occidentalis
california academy of sciences geology:
Gomphocymbella meulleri
california academy of sciences geology:
Gomphocymbella rossii
california academy of sciences geology:
Gomphocymbella tanganyikae
california academy of sciences geology:
Gomphoneis geitleri
california academy of sciences geology:
Gomphoneis magna
california academy of sciences geology:
Gomphoneis platypus
california academy of sciences geology:
Gomphoneis quadripunctata var. cochleariformis
california academy of sciences geology:
Gomphoneis quadripunctata var. miocenica
california academy of sciences geology:
Gomphonema epiphanes
california academy of sciences geology:
Gomphonema leptocampum
california academy of sciences geology:
Gomphonema medio-inflatum
california academy of sciences geology:
Gomphonema medio-inflatum var. irregulare
california academy of sciences geology:
Gomphonema protractum
california academy of sciences geology:
Gomphonema semiaperatoides
california academy of sciences geology:
Gomphonema signyensis
california academy of sciences geology:
Gomphonema signyensis
california academy of sciences geology:
Gomphonema signyensis