| Mollusca | Gastropoda | Caenogastropoda | Neogastropoda |
| Buccinoidea incertae sedis | Macron | lividus |
| Genus | Species |
1963.015
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SIO63-1055.
N.W. Of Mt. Mazo, W. of Bahia San Quintin, Baja California Norte, Mexico.
30.3708° N
116.0083° W
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Jan. 1, 1963
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Radford
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Originally catalogued as 1963-01-01 and (30.37083, -116.0083), but at least one paper label uses XII:1-63 (1963-12-01) and 30 22'N, 116 00'W (30.3667, -116).