Megalobulimus oblongus ( Müller, 1774 )

Silva, Fernanda dos Santos & Simone, Luiz Ricardo L., 2022, Anatomy of two species of Megalobulimus (Strophocheilidae, Megalobuliminae) from South-Central Bahia, Brazil, Papéis Avulsos de Zoologia 62, pp. 1-13 : 2

Megalobulimus oblongus ( Müller, 1774) ( Figs. 2-5 )

Synonymy, see Silva et al., 2021 (complement).

Megalobulimus oblongus: Borda & Ramirez, 2013: 681 ; Salvador, 2019: 93; Salvador et al., 2021: 68.

Type locality: Not stated.

Figures

Figure 2. Megalobulimus oblongus: (A-D) Shells of specimen from Mortugaba, Bahia state, MZSP 136679 (L = 118,3 mm, W = 72,0 mm), (A) apertural view; (B) abapertural view; (C) lateral view;(D) apex view.Scale = 10mm; (E) live specimen.Scales = 17 mm (hand).

Figure3.Megalobulimus oblongus:(A)pulmonary pallialcavity,an(anus),rt(rectum);(B)jaw,anteriorview.Scales=10mm;(C-D)radula,inSEM.Scales=0,1mm; (C) marginal teeth;(D) central region,rachidian tooth.

Figure 4. Megalobulimus oblongus anatomy:(A) pallial cavity,renopericardial region,ventral view.Scale = 10 mm;(B) buccal mass closed;(C) buccal massopened ventrally;(D) radular sac;(E) odontophore dorsal view;(F) odontophore ventral view.Scales = 5 mm.

Figure 5. Megalobulimus oblongus anatomy:(A) pallial cavity;digestive region;(B) stomach,opened longitudinally;(C) esophagus opened longitudinally;(D) genital system,complete dorsal view;(E)carrefour region,ventral view;(F) spermoviduct and vaginal appendix opened longitudinally;(G) spermoviduct,cross-section at its middle region;(H) penis and epiphallus opened longitudinally. Scales (A, D)= 10 mm; Scales (B-C,E-H) = 5 mm.