FIGURE 5 in Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida)

FIGURE 5. Mactrellona alata (Spengler, 1802), A–B: hinge description according to the nomenclature developed by Bernard & Munier Chalmas, A: RV, B: LV, scale bar = 1 cm; C–D: SEM picture of ultrastructure of the shell, C general aspect, ol: outer layer, il: inner layer, scale bar = 100 µm; D: detail of the outer layer with the cross lamellar structure, scale bar = 50 µm.Published as part of Signorelli, Javier H. & Pastorino, Guido, 2012, Taxonomic revision of Brazilian Mactridae Lamarck, 1809 (Bivalvia: Cardiida), pp. 30-53 in Zootaxa 3245 on page 38, DOI: 10.11646/zootaxa.3245.1.2, http://zenodo.org/record/654486