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Phylogeny of the chelydrid turtles : a study of shared derived characters in the skull / Eugene S. Gaffney --.

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The vertebrate fauna of the Selma Formation of Alabama. Rainer Zangerl.

v.3:no.2(1948)

A phylogenetic analysis of the Asian catfish families Sisoridae, Akysidae, and Amblycipitidae, with a hypothesis on the relationships of the neo-tropical Aspredinidae (Teleostei, Ostariophysi) / Mario C. C. de Pinna.

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7 (1974)

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11 (1980)

The University of Kansas science bulletin.

v.4 (1907-1908)

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12 (1981)

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v.4 (1925)

Transactions of the San Diego Society of Natural History.

v.14 (1965-1967)

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v.21 (1985-1989)

Memoirs of the San Diego Society of Natural History.

8 (1974)

Transactions of the San Diego Society of Natural History.

v.5 (1927-1929)