Weisbord, N. E., 1962. Late Cenozoic Gastropods from Northern Venezuela. Bulletins of American Paleontology, 42 (193 ).
New Species-Group Names:
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caboblanquensis Weisbord, 1962. p. 420. pl. 39. f. 5-16.
- federalis Weisbord, 1962. p. 426. pl. 40. f. 5. 6.
- planitectum Weisbord, 1962. p. 424. pl. 40. f. 1. 2.