Schwartziella catesbyana (d’Orbigny, 1842) Catesby’s Risso

Howard Park, Tarpon Springs, Pinellas Co., Florida. Digital image by Marlo Krisberg.

Schwartziella catesbyana (d’Orbigny, 1842) Catesby’s Risso

Beach drift, Barra Grande, Bahia, Brazil. All four specimens measure about 2.5 mm. Digital images by David Kirsh

Scanning Electron Micrographs

Schwartziella catesbyana (d’Orbigny, 1842) Catesby’s Risso

    In shell/bryozoan hash from 1 fathom off the town of Cedar Key, Levy County, Florida, 5/2019 (0.72 mm.). SEM produced in collaboration with Dr. Ann Heatherington, Dept. of Geology, University of Florida, Gainesville, FL.

Type Figure

Type Figure

d'Orbigny, A., [1842] "1853." Mollusques. Histoire Physique, Politique et Naturelle de l'Óle de Cuba 2 1-112, pls. 10-21(?). Arthus Bertrand: Paris.