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Table 4 Some morphological and morphometric data of Cardiomya perrostrata (Dall, 1881). Comparative data on the length and height of the valves, size of rostrum and number of ribs of the examined material. Dimensions in mm. The number in italics means the average value of the measurement

From: Septibranchia (Mollusca: Bivalvia) from the North and Northeast Coasts of Brazil

Examined material Length (mm) Height (mm) Rostrum (mm) Ribs (n°) Val. (no)
CMPHRM 712A 10.66 5.79 3* 22 R(1)
CMPHRM 3657A 3.9-4.7-5.1 2.4-2.9-3.4 1.0-1.3-1.5 16-19-21 R(10)
4.1-4.8-6.1 2.7-3.0-3.7 1.0*-1.6-2.0 17-19-22 L(9)
CMPHRM 3659A 3.7-4.4-5.3 2.5-2.6-3.7 1.0*-1.6-2* 14-17-21 R(5)
5.0-5.3 2.8-3.7 1.0*-2.0* 17-21 L(2)
CMPHRM 3660A 10.83 6.57 3.0 19 L(1)
CMPHRM 3661A 14.93 9.45 3.0 32 L(1)
CMPHRM 3662A 8.4 4.49 * * R(1)
5.93 3.61 1.9 15 L(1)
  1. Legend: CMPHRM-A malacological collection “Prof. Henry Ramos Matthews” - series A, Val. valve; (n o ) number of examined valves or ribs, R right, L left; *damaged shell or uncountable