Phialopecten marwicki
NamePhialopecten marwicki
Scientific NamePhialopecten marwicki
Common NameMarwick's Scallop
FamilyPectinidae
GenusPhialopecten
Speciesmarwicki
Geographic DistributionFossil records primarily from New Zealand.
Average Size (mm)135
Identifying FeaturesLarge size, distinct fan shape, numerous strong and relatively flat-topped radial ribs (approximately 20-25 visible on this valve), and the overall robust Pectinid morphology. The specific rib count and morphology are key for species identification within *Phialopecten*.
Dietfilter-feeder
Author CitationFinlay, 1928
Description
This is a fossilized shell of *Phialopecten marwicki*, a large extinct scallop species. The shell exhibits a classic fan shape with numerous prominent, evenly spaced radial ribs. The surface shows signs of fossilization, including some erosion and mineral staining. A ruler is present for scale, indicating its substantial size.
