Bivalves and Gastropods of the Gulf of Tehuantepec, Mexico: A Checklist of Species with Notes on Their Habitat and Local Distribution

Table 2

Distribution of the species of bivalves and gastropods in the localities and habitats of the Gulf of Tehuantepec.

Locality	Bivalves	Gastropods	Total
(1) Estero Suchiate (sandy beach, estuary + mangrove)	37	5	42
(2) Estero Cahoacán (sandy beach, estuary + mangrove)	39	5	44
(3) Puerto Chiapas (sandy beach, rocky breakwater)	22	8	30
(4) La Encrucijada (estuary + mangrove)	3	1	4
(5) La Joya Buenavista (estuary + mangrove)	2	4	6
(6) Estero Boca de Cielo (sandy beach, estuary + mangrove)	32	20	52
(7) Estero Chocohuital (estuary + mangrove)	4	2	6
(8) Puerto Arista (sandy beach)	4	1	5
(9) Laguna Mar Muerto (coastal lagoon + mangrove)	7	8	15
(10) Bahía Tangolunda (sandy and rocky beach)	14	21	35
(11) Continental shelf (sandy bottom)	18	40	58
Habitat
Estuary + mangrove	11	19	30
Coastal lagoon + mangrove	2	0	2
Rocky beach and rocky breakwater	22	33	55
Sandy beach	55	16	71
Sandy bottom of the continental shelf	18	40	58