. . "Calymene niagarensis"@en . . "Animalia"@en . . "Arthropoda"@en . . "240"^^ . "Middle Silurian"@en . "Calymene niagarensis"@en . . . "C. niagarensis"@en . "Calymene"@en . "Calymene niagarensis is a small species of trilobite. It dates back to the Middle Silurian. Most specimens have been found in New York and Oklahoma. It has around 20 body segments and small, round eyes. Image:Kolihapeltis 01 Pengo.jpg This Trilobite-related article is a stub. You can help Fossil Wiki by [ expanding it]."@en . "Calymene niagarensis is a small species of trilobite. It dates back to the Middle Silurian. Most specimens have been found in New York and Oklahoma. It has around 20 body segments and small, round eyes. Image:Kolihapeltis 01 Pengo.jpg This Trilobite-related article is a stub. You can help Fossil Wiki by [ expanding it]."@en . "Calymene niagarensis"@en . .