Published in Zoological Science, in 1990, in volume 7, pages 1-16

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Published in Paleontological Research, in 1998, in volume 2, pages 120-129

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Published in Paleontological Research, in 1999, in volume 3, pages 234-248

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Published in Biol Bull, in 1959, in volume 116, pages 95-105

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Published in Zoological Science, in 1988, in volume 5, pages 939-945

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Published in Paleontological Research, in 2000, in volume 4, pages 33-38

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Published in Biol Bull, in 1953, in volume 105, pages 308-315

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Published in Zoological Science, in 1994, in volume 11, pages 33-38

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Published in Zoological Science, in 1993, in volume 10, pages 353-360

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Published in Zoological Science, in 1993, in volume 10, pages 773-777

Created: 2012-09-19, modified: 2012-09-19