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Marginella (Serrata) critha
Taxonomy
Marginella (Serrata) critha was named by Gardner (1947). Its type specimen is USNM 350265, a shell, and it is not a trace fossil. Its type locality is USGS Loc. 2646 - Oak Grove [Oak Grove Sand], which is in a Burdigalian marine sandstone in the Oak Grove Formation of Florida.
Sister species lacking formal opinion data
M. amygdala, M. cereris, M. cineracea, M. clenchi, M. contracta, M. estaciana, M. fraudulenta, M. gravida, M. karikalensis, M. marginata, M. monilis, M. oryza, M. paraensis, M. perlatens, M. phrygia, M. pirabica, M. succinea, M. elegans, M. elegans, M. loebbeckeana, M. deshayesi, M. karikalensis, M. vultuosa, M. iota, M. eobella, Serrata flemingi