Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonHäftad209 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois. Trilobitomorpha ArthropleuridaEugene Stanley Richardson, Chicago Natural History MuseumInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois. Trilobitomorpha ArthropleuridaEugene Stanley Richardson, Chicago Natural History MuseumHäftad209 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonHäftad219 kr
New Agnathous Fishes From the Pennsylvanian of IllinoisEugene Stanley Richardson, David BardackHäftad329 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois. InsectsEugene Stanley RichardsonHäftad219 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois. Trilobitomorpha ArthropleuridaEugene Stanley Richardson, Chicago Natural History MuseumInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonHäftad219 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonHäftad209 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, IllinoisEugene Stanley Richardson, Ralph Gordon JohnsonInbunden419 kr
Pennsylvanian Invertebrates of the Mazon Creek Area, Illinois. Trilobitomorpha ArthropleuridaEugene Stanley Richardson, Chicago Natural History MuseumHäftad209 kr
New Agnathous Fishes From the Pennsylvanian of IllinoisEugene Stanley Richardson, David BardackHäftad329 kr