Pleuromalaxis olssoni (Pilsbry in Olsson and Harbison, 1953) [new combination]

Scanning Electron Micrograph (SEM)

    Cochran Pit, LaBelle, Hendry Co., FL. (Caloosahatchee Formation). Bill & Carol Lyons! 1980's. (0.95mm.). UF IP 329735. Originally placed in Cyclostremiscus, this taxon appears to be extinct, rare, and absent from the earlier and extensively-studied Pinecrest beds; compare with the Recent P. balesi <http://www.jaxshells.org/216uu.htm>. SEM by Dr. H. G .Lee in collaboration with Dr. Ann Heatherington, Dept. of Geological Sciences, University of Florida, Gainesville.