Pleckorknis? Brachiopods Ordovician. Page 27 from a photo album on fossils and geology compiled by Frank A. Beckwit
Pliomera. Genal spine. Bryozoa. G bivalve. Bathyuriscus doubhere? Bathyurellus feitleri? (Holliday...
Marked like in late ordovician or graptolite. A species of trilobite partly curled up. Page 33 from...
x 35. Hyphostorma x11. Page 84 from a photo album on fossils and geology compiled by Frank A. Beckw...
Pleckorknis? Brachiopods Ordovician. Page 27 from a photo album on fossils and geology compiled by F...
Ordovician. Page 29 from a photo album on fossils and geology compiled by Frank A. Beckwit
Ordovician. Imprints of cephalopods. Page 17 from a photo album on fossils and geology compiled by ...
Ordovician. A cephalopod. Endoceras. Page 24 from a photo album on fossils and geology compiled by...
Pliomera; brachiopod. Star shapes. Pseudomera banandei? Page 96 from a photo album on fossils and g...
Ordovician. Receptaculite. What looks like a clam cast. Page 32 from a photo album on fossils and ge...
Impress of gastropods. Ordovician. Page 25 from a photo album on fossils and geology compiled by Fr...
Cephalopod plates. Natural size. Ordovician. Page 77 from a photo album on fossils and geology com...
My prize slab. Ordovician 4 kinds of trilobites; gastropods. Bryozoa; Pliomera; Pelecypods; Genal s...
Ordovician. An immense genal spine. A cheek fragment of a very large trilobite. Natural size. Pag...
Orria elegaus. Page 80 from a photo album on fossils and geology compiled by Frank A. Beckwit
Genal spines. Ordovician. Cheek pieces? of trilobites. Page 16 from a photo album on fossils and g...
Pliomera. Genal spine. Bryozoa. G bivalve. Bathyuriscus doubhere? Bathyurellus feitleri? (Holliday...
Marked like in late ordovician or graptolite. A species of trilobite partly curled up. Page 33 from...
x 35. Hyphostorma x11. Page 84 from a photo album on fossils and geology compiled by Frank A. Beckw...
Pleckorknis? Brachiopods Ordovician. Page 27 from a photo album on fossils and geology compiled by F...
Ordovician. Page 29 from a photo album on fossils and geology compiled by Frank A. Beckwit
Ordovician. Imprints of cephalopods. Page 17 from a photo album on fossils and geology compiled by ...
Ordovician. A cephalopod. Endoceras. Page 24 from a photo album on fossils and geology compiled by...
Pliomera; brachiopod. Star shapes. Pseudomera banandei? Page 96 from a photo album on fossils and g...
Ordovician. Receptaculite. What looks like a clam cast. Page 32 from a photo album on fossils and ge...
Impress of gastropods. Ordovician. Page 25 from a photo album on fossils and geology compiled by Fr...
Cephalopod plates. Natural size. Ordovician. Page 77 from a photo album on fossils and geology com...
My prize slab. Ordovician 4 kinds of trilobites; gastropods. Bryozoa; Pliomera; Pelecypods; Genal s...
Ordovician. An immense genal spine. A cheek fragment of a very large trilobite. Natural size. Pag...
Orria elegaus. Page 80 from a photo album on fossils and geology compiled by Frank A. Beckwit
Genal spines. Ordovician. Cheek pieces? of trilobites. Page 16 from a photo album on fossils and g...
Pliomera. Genal spine. Bryozoa. G bivalve. Bathyuriscus doubhere? Bathyurellus feitleri? (Holliday...
Marked like in late ordovician or graptolite. A species of trilobite partly curled up. Page 33 from...
x 35. Hyphostorma x11. Page 84 from a photo album on fossils and geology compiled by Frank A. Beckw...