Table 5 Some morphological and morphometric data of Trigonulina ornata d’Orbigny, 1842. Comparative data on the length and height of the valves, size of rostrum and number of ribs of the examined material. Dimensions in mm
From: Septibranchia (Mollusca: Bivalvia) from the North and Northeast Coasts of Brazil
Examined material | Length (mm) | Height (mm) | Ribs (n°) | Val. (n°) |
|---|---|---|---|---|
CMPHRM 1864A | 3.2-4.2-5.6 | 3.4-4.4-5.9 | 10-11 | R(3) |
3.2-3.9-4.4 | 3.2-4.0-4.5 | 10-13 | L(3) |