california academy of sciences geology:
Actinoptychus kernensis
california academy of sciences geology:
Actinoptychus kernensis
california academy of sciences geology:
Auliscus bonus
california academy of sciences geology:
Auliscus bonus
california academy of sciences geology:
Auliscus suppressus
california academy of sciences geology:
Cyclotella kelloggi
california academy of sciences geology:
Cymatosira andersoni
california academy of sciences geology:
Demeregramma scutulum
california academy of sciences geology:
Hyalodiscus frenguelli
california academy of sciences geology:
Hyalodiscus frenguelli
california academy of sciences geology:
Hyalodiscus frenguelli
california academy of sciences geology:
Melosira geometrica
california academy of sciences geology:
Melosira geometrica
california academy of sciences geology:
Navicula kernensis
california academy of sciences geology:
Navicula morricei
california academy of sciences geology:
Rhaphoneis obesa
california academy of sciences geology:
Rhaphoneis obesa
california academy of sciences geology:
Surirella tembloris
california academy of sciences geology:
Tropidoneis primoris
california academy of sciences geology:
Xystotheca hustedti