P. jacobaeus: left valve with crenulated ribs, numerous scales between each rib. — P. maximus: smoother ribs, no scales.
| Pecten “intermedius” Monterosato, 1899 |
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| Supposed to stay between jacobaeus and maximus. Not recognized as a valid species, intermedius is now affiliated to jacobaeus. Off Estepona, Andalucia, S. Spain. 120mm. |
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| P. maximus, P. intermedius and P. jacobaeus in Monterosato: “Révision de quelques Pectens des mers d’Europe”, Journal de conchyliologie series IV vol. I, Paris 1899. P. jacobaeus: left valve with crenulated ribs, numerous scales between each rib. — P. maximus: smoother ribs, no scales. |
| — back to Pectinidae — |