Qualitative Observations on Recent Foraminiferal Tests with Emphasis on the Eastern Pacific, Part 2 |
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6001 Distribution angular apertural apertural face apertural structure basal end biconvex bifid tooth broadly rounded calcareous carinate Catalina Island cham chambers arcuate compressed convex side Cortes Bank curved Cushman D'Orbigny dorsal side edge view elongate end view evolute extended finely perforate flush Foraminifera genus Guadalupe Island Gulf of California Holotype AHF hyaline Hypotype imperforate inflated chambers initial chambers initial end interiomarginal involute last formed chamber last formed whorl less limbate lobulate margin Mexico n.sp narrow lip noninflated opaque organization of chambers ovate Panay Island Paratype AHF periphery lobulate periphery rounded planispiral planoconvex Plate polished porcelaneous present species Quinqueloculina quinqueloculine organization radiate semihyaline shallow waters sharply defined slightly depressed Socorro Island spiral side Spiroloculina subcircular in contour sutures depressed sutures dorsally taxon Test free texture triloculine trochoid trochospiral truncate Type Locality type species umbilical area umbilicus wall smooth whorls of chambers width