Half Naked Penshell

Atrina seminuda (Lamarck 1819)

body length

• Shelled animal body mass: 133 mm (single measurement)
• McClain Bivalve Sizes: 539 mm (max)
• Femorale: 133 mm

body volume

• Shelled animal body mass: 95.8 cm^3 (single measurement)
• Body mass bivalves: 4970 cm^3 (average)

geographic distribution

• United States Species List: United States
• World Register of Marine Species: Venezuela
• World Register of Marine Species: Gulf of Mexico
• World Register of Marine Species: Puerto Rico
• World Register of Marine Species: Cuba

habitat

• World Register of Marine Species: marine benthic
• Environments EOL: coastal
• Environments EOL: coastal
• Environments EOL: gravel

latitude

• OBIS environmental data records: 30.952 degrees (max)
• OBIS environmental data records: -34.63 degrees (min)

longitude

• OBIS environmental data records: -40.842 degrees (max)
• OBIS environmental data records: -97.7937 degrees (min)

shell height, bivalve

• McClain Bivalve Sizes: 539 mm (max)

shell length, bivalve

• McClain Bivalve Sizes: 243 mm (max)

skeleton structure

• World Register of Marine Species: exoskeleton
• World Register of Marine Species: condensed
• World Register of Marine Species: condensed
• World Register of Marine Species: exoskeleton

water depth

• OBIS environmental data records: 0.3 m (min)
• OBIS environmental data records: 69 m (max)

water dissolved o2 concentration

• OBIS environmental data records: 4.763 mL/L (max)
• OBIS environmental data records: 4.763 mL/L (min)

water nitrate concentration

• OBIS environmental data records: 2.213 µmol/l (min)
• OBIS environmental data records: 2.213 µmol/l (max)

water o2 saturation

• OBIS environmental data records: 96.15 percent (max)
• OBIS environmental data records: 96.15 percent (min)

water phosphate concentration

• OBIS environmental data records: 0.286 µmol/l (min)
• OBIS environmental data records: 0.286 µmol/l (max)

water salinity

• OBIS environmental data records: 36.674 psu (min)
• OBIS environmental data records: 36.674 psu (max)

water silicate concentration

• OBIS environmental data records: 3.306 µmol/l (min)
• OBIS environmental data records: 3.306 µmol/l (max)

water temperature

• OBIS environmental data records: 23.505 degrees celsius (min)
• OBIS environmental data records: 23.505 degrees celsius (max)

wet body mass

• Shelled animal body mass: 168 g (single measurement)
• Body mass bivalves: 8600 g (average)