A new species of Trichotropis (Gastropoda: Mesogastropoda) from the Esmeraldas Beds, Onzole Formation, northwestern Ecuador. Tulane Studies in Geology and Paleontology, 22(3-4) 1989: 131-136. 132 [Zoological Record Volume 126]
A new species of Trichotropis (Gastropoda: Mesogastropoda) from the Esmeraldas beds, Onzole Formation, northwestern Ecuador. Tulane Studies in Geology and Paleontology, 22(3-4) 1989: 131-136. 132 [Zoological Record Volume 127]