Sinezona confusa Rolán and Luque, 1994

Sinezona confusa Rolán and Luque, 1994

    Dredged, from shallow water in sand and algae, Key West, Monroe County, Florida (0.9 mm.). Collected by Homer Rhode, 6/1995. Digital Image copyright 2021 by Simon Aiken.

Sinezona confusa Rolán and Luque, 1994

From grunge in swash zone at Billy's Bay, St. Elizabeth Parish, Jamaica (about 1 mm.). Digital images by David Kirsh.

Below with periostracum

Sinezona confusa Rolán and Luque, 1994

From beach drift, Calabash Bay, St. Elizabeth Parish, Jamaica. Digital images by David Kirsh.

Scanning Electron Micrographs (SEM) Of Fossil Specimens

Sinezona confusa Rolán and Luque, 1994 )

Sinezona confusa Rolán and Luque, 1994

Sinezona confusa Rolán and Luque, 1994

    Cochran Pit, Caloosahatchee Formation, LaBelle, Hendry County, Florida. Culled by H.G. Lee and Rick Edwards from spoil material collected by David Hargreave; all three shells part of UF 327419. This discovery constitutes the first known occurrence of the superfamily Scissurelloidea, known as the Little Slit Shells, in the fossil record of the New World tropics and western Atlantic (Geiger, 2012: 64-65; Daniel Geiger personal communication, April 10, 2021). SEMs performed by H. G. Lee under the supervision of Dr. Ann Heatherington, Dept. Geological Sciences, University of Florida, Gainesville, FL. Also see: https://mczbase.mcz.harvard.edu/guid/MCZ:Mala:384367.

Geiger, D. L., 2012. Monograph of the little slit shells vol. 1  Introduction, Scissurellidae; vol. 2 Anatomidae, Larocheidae, Depressizonidae, Sutilzonidae, Temnocinclidae. Santa Barbara Museum of Natural History 7: (1)-728 + 7 detached cards; (729)-1291 + 6 detached cards.

Also see: Scissurella redferni (Rolán, 1996).