Conidae and Terebridae (Gastropoda: Neogastropoda) from the Plio-Pleistocene of the Philippines Author Helwerda, Enate A. text Zootaxa 2017 4221 5 545 561 journal article 37275 10.11646/zootaxa.4221.5.4 0d39993a-3c36-40ec-90d1-14eb37ce6535 1175-5326 253519 8AB821F3-4B44-40B0-BD55-960C08121C48 Terebra spec 1 ( Figure 22 ) Material. Anda1 (1) RGM 961860. Characterization. One damaged juvenile shell, 3 mm and 6 whorls. Protoconch cone-shaped, 3.0 whorls. Teleoconch whorl outline straight in the first whorl to concave in later whorls. Axial ribs develop on first teleoconch whorl, straight at first, becoming curved and noded, bearing two rows of nodes subsuturally and one row anteriorly. The second subsutural row is the strongest.