Columbia subject headings:
Harvard subject headings:
Lagoon ecology--Mexico--Terminos Lagoon.
Mollusks--Identification.
Mollusks--Mexico--Terminos Lagoon.
Terminos Lagoon (Mexico)
Princeton subject headings:
Mollusks--Mexico--Terminos Lagoon--Classification.
Mollusks--Mexico--Terminos Lagoon--Geographical distribution.
Terminos Lagoon (Mexico)