Caecum johnsoni Winkley 1908 (snail)
Gastropoda - Truncatelloidea - Caecidae
PaleoDB taxon number: 158627
Alternative combination: Coecum johnsoni
Belongs to Caecum according to A. J. W. Hendy et al. 2008
Sister taxa: Caecum (Brochina), Caecum (Caecum), Caecum (Defolinia), Caecum anellifer, Caecum armoricum, Caecum beaufortensis, Caecum calvertense, Caecum campe, Caecum chipolanum, Caecum circumvolutum, Caecum cooperi, Caecum cycloferum, Caecum glabrum, Caecum greensboroense, Caecum imbricatum, Caecum mammillatum, Caecum mexicanum, Caecum patuxentium, Caecum plicatum, Caecum properegulare, Caecum tomaculum, Caecum veracruzanum
Ecology: epifaunal grazer