Crown Point Formation Explained
The Crown Point Formation is a geologic formation in New York and Vermont. It preserves invertebrate fossils dating back to the Ordovician period. Notable fossiliferous localities within the Crown Point Formation include quarries in the towns of Panton and Isle La Motte, Vermont.
Invertebrate Fauna
| Cephalopods of the Crown Point Formation |
|---|
| Genus | Species | Notes | Images |
|---|
| Stereospyroceras | Stereospyroceras champlainensis | | |
| Vaginoceras | Vaginoceras oppletum | | |
| Vaningenoceras | Vaningenoceras sp. | |
| Proteoceras | Proteoceras perkinsi | | |
| Proteoceras pulchrum | | |
| Plectoceras | Plectoceras jason | | |
| Nanno | Nanno sp. | |
|
| Trilobites of the Crown Point Formation |
|---|
| Genus | Species | Notes | Images |
|---|
| Bumastoides | Bumastoides globosus | | |
| Bumastus | Bumastus erastusi | | |
| Platillaenus | Platillaenus erastusi | | |
| Cryptolithus | Cryptolithus tesselatus | | |
| Hibbertia | Hibbertia valcourensis | | |
| Flexicalymene | Flexicalymene senaria | | |
| Isotelus | Isotelus gigas | | |
| Isotelus jacobus | | |
| Pliomerops | Pliomerops canadensis | | |
| Vogdesia | Vogdesia bearsi | | |
| Ceratocara | Ceratocara shawi | | |
| Thaleops | Thaleops longispina | | |
| Cybeloides | Cybeloides prima | | |
| Ceraurinella | Ceraurinella latipyga | | |
| Physemataspis | Physemataspis insularis | | |
| Hemiarges | Hemiarges turneri | | |
| Calyptaulax | Calyptaulax annulata | | |
| Otarion | Otarion spinicaudatum | | |
| Lonchodomas | Lonchodomas chaziensis | | |
| Failleana | Failleana calva | | |
| Sphaerocoryphe | Sphaerocoryphe goodnovi | | |
|
| Brachiopods of the Crown Point Formation |
|---|
| Genus | Species | Notes | Images |
|---|
| Ateleasma | Ateleasma multicostum | | |
| Camerella | Camerella varians | | |
| Macrocoelia | Macrocoelia champlainensis | | |
|
| Corals of the Crown Point Formation |
|---|
| Genus | Species | Notes | Images |
|---|
| Streptelasma | Streptelasma expansum | | |
| Foerstephyllum | Foerstephyllum wissleri | | |
| Lambeophyllum | Lambeophyllum profundum | | |
|
| Bryozoans of the Crown Point Formation |
|---|
| Genus | Species | Notes | Images |
|---|
| Prasopora | Prasopora orientalis | | |
| Rhinidictya | Rhinidictya fenestrata | | |
| Stictopora | Stictopora ramosa | | |
|
See also
References
