Fig. 13 in Mollusks (Gastropoda, Bivalvia) from Miocene cold-seep deposits in northern Italy: revisions and additions
Creators
- 1. Swedish Museum of Natural History, Department of Palaeobiology, Box 50007, 10405 Stockholm, Sweden.
- 2. Museo Civico di Scienze Naturali, 51, Via Medaglie D'Oro 51, 48018 Faenza, Italy.
- 3. Institute of Marine Sciences, Italian National Research Council, Via Gobetti 101, 40129 Bologna, Italy; and Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Napoli, Italy.
Description
Fig. 13. The bivalve Sisonia ultimoi sp. nov. from the Middle Miocene Ca' Cavalmagra seep deposit in northern Italy. A. Left valve (MSF 1280). B. Small right valve (MSF 1265). C. Left valve (MSF 2372). D. Large right valve with severe shell injury (MSF 1278). E. Right valve (MSF 1281). F–G. Articulated specimen with broken posterior end (MSF 2367). H–I. Holotype (MGGC 22330), articulated specimen showing outline of shell. J–K. Paratype, articulated specimen with deformed posterior side, showing the regular commarginal ornament; this specimen preserves the most realistic inflation of all available specimens (MSF 2368). L–M. Articulated specimen (MSF 2369). N–O. Articulated specimen showing fine internal striation (MSF 2370). P–Q. Deformed specimen showing the regular commarginal ornament (MSF 2371).
Notes
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