THE EURYPTERIDA OF NEW YORK
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Genus megalograptus Miller
| Megalograptus welchi Miller |
Genus strabops Beecher
| Strabops thacheri Beecher |
Genus stylonurus Page
Subgenus ctenopterus nov.
| Type: | *S. cestrotus Clarke |
| *S. multispinosus nov. | |
| * ? S. excelsior Hall | |
| *S. sp. α | |
| *S. sp. β | |
| *S. sp. γ |
Subgenus drepanopterus Laurie
| Drepanopterus longicaudatus nov. |
Indeterminate species
| S. beecheri Hall | |
| *S. ? limbatus nov. | |
| *S. myops Clarke | |
| *S. sp. δ |
Family pteryootidae nov.
Genus hughmilleria Sarle
| Type: | *H. socialis Sarle |
| *H. socialis var. robusta Sarle | |
| *H. magna nov. | |
| *H. shawangunk Clarke |
Genus pterygotus Agassiz
| Pterygotus atlanticus nov. | |
| *P. buffaloensis (Pohlman) | |
| *P. cobbi Hall | |
| *P. globiceps nov. | |
| *P. grandis (Pohlman) |
