Sinezona confusa Rolán and Luque, 1994

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 Micrograph (SEM) Of Fossil Specimen

Sinezona confusa Rolán and Luque, 1994 )

   Cochran Pit, Caloosahatchee Formation, LaBelle, Hendry County, Florida. This discovery constitutes the first known occurrence of the superfamily, known as the Little Sit Shells, in the fossil record of the New World tropics and western Atlantic (Geiger, 2012: 64-65; Daniel Geiger personal communication, April 10, 2021).
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