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  1. The blennioid fishes of Belize and Honduras, Central America, with comments on their systematics, ecology, and distribution (Blenniidae, Chaenopsidae, Labrisomidae, Tripterygiidae) / David W. Greenfield, Robert Karl Johnson.
    By: Greenfield, David W. - Johnson, Robert Karl.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1981.
    Contributed by: University of Illinois Urbana Champaign
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  2. Fishes of the families Evermannellidae and Scopelarchidae : systmatics, morphology, interrelationships, and zoogeography / Robert Karl Johnson.
    By: Johnson, Robert Karl.
    Publication info: Chicago, Ill. :Field Museum of Natural History,[1982]
    Contributed by: University of Illinois Urbana Champaign
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  3. A new chaenopsid fish, Emblemaria hyltoni, from Isla Roatán, Honduras / Robert Karl Johnson and David W. Greenfield.
    By: Johnson, Robert Karl. - Greenfield, David W.
    Publication info: [Chicago] :Field Museum of Natural History,1976.
    Contributed by: University of Illinois Urbana Champaign
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  4. A new species of Vinciguerria (Salmoniformes, Photichthyidae) from the Red Sea and Gulf of Aqaba, with comments on the depauperacy of the Red Sea mesopelagic fish fauna / Robert Karl Johnson, Ross M. Feltes.
    By: Johnson, Robert Karl. - Feltes, Ross M.
    Publication info: Chicago :Field Museum of Natural History,1984.
    Contributed by: University of Illinois Urbana Champaign
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  5. A revision of the alepisauroid family Scopelarchidae Pisces, Myctophiformes / Robert Karl Johnson.
    By: Johnson, Robert Karl.
    Publication info: Chicago :Field Museum of Natural History,1974.
    Contributed by: University of Illinois Urbana Champaign
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