Shallow-water pycnogonida of the Isthmus of Panama and the coasts of Middle America/
Child,C. Allan.
Shallow-water pycnogonida of the Isthmus of Panama and the coasts of Middle America/ C. Allan Child. - City of Washington: Smithsonian Institution Press, 1979. - 86 p. : ill.; 27cm. - Smithsonian contributions to zoology no.293. .
Pycnogonida--Panama--Classification.
Pycnogonida--Central America--Classification.
Shallow-water pycnogonida of the Isthmus of Panama and the coasts of Middle America/ C. Allan Child. - City of Washington: Smithsonian Institution Press, 1979. - 86 p. : ill.; 27cm. - Smithsonian contributions to zoology no.293. .
Pycnogonida--Panama--Classification.
Pycnogonida--Central America--Classification.