Modified from Whiteley et al. 2002. Trilobites of New York. Cornell University Press
Order Phacopida
Suborder Cheirurina
Family Cheiruridae
Cheirurus sp.
? Deiphon pisum (Foerste 1893)
Staurocephalus sp.
Suborder Phacopina
Superfamily Dalmanitoidea
*Dalmanites limulurus (Green 1832) Maximum: 8.9 cm
Suborder Calymenina
Family Calymenidae
Calymene sp.
*Calymene niagarensis (Hall 1852) Maximum: 4.1 cm
*Diacalymene sp. Maximum: 6.35 cm
Family Homalonotidae
*Trimerus delphinocephalus (Green 1832) Maximum: 24 cm
Order Corynexochida
Suborder Illaenina
Family Illaenidae
*Bumastus ioxus (Hall 1852) Maximum: 3.8 cm
*Bumastoides Maximum: 10.4 cm
*Illaenoides cf. triloba (Weller 1907) Maximum: 11.4 cm
Order Lichida
Superfamily Lichoidea
Family Lichidae
Acanthopyge sp.
* Arctinurus boltoni (Bigsby 1825) Maximum: 19 cm
* Dicranopeltis nereus (Hall 1863) Maximum: 10.2 cm
Trochurus halli (Foerste 1917)
Order Proetida
Superfamily Aulacopleuroidea
Family Aulacopleuridae
Maurotarion sp.
Superfamily Bathyuroidea
Family Brachymetopidae
*Radnoria bretti (Adrain & Tetreault 2005) Maximum: 2.29 cm
Superfamily Proetoidea
Family Proetidae
*Decoroproetus corycoeus (Conrad, 1842) maximum: 3.18 cm
* Trilobites found at Caleb's Quarry