Portal de Periódicos da CAPES

Eurypterida; notes on the subgenus Hughmilleria (Nanahughmilleria) from the Silurian of New York

1964; Cambridge University Press; Volume: 38; Issue: 2 Linguagem: Inglês

1937-2337

Erik N. Kjellesvig-Waering,

Lepidoptera: Biology and Taxonomy

Some of the specimens from the Middle Silurian Shawangunk grit of eastern New York figured by Clarke and Ruedemann (1912) as Hughmilleria shawangunk Clarke, 1907, are referred to H. (Nannahughmilleria) clarkei, n. sp., on the basis of intramarginal eyes, as distinct from the marginal eyes of H. shawangunk. H. phelpsae Ruedemann, 1919, from the Upper Silurian Vernon Shale at Pittsford, N. Y., is also assigned to H. (Nanahughmilleria), and the operculum is reinterpreted.