Yazar
maureen e downey
5 cilt bulundu.
Maureen E. Downey · Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
239 sayfa · 1969
Catalogs and collections / Ophiuroidea / Type specimens / Type specimens (Natural history)
Maureen E. Downey · Smithsonian Institution Press
57 sayfa · 1986
Brisingida / Classification / Echinodermata
Maureen E. Downey · Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
158 sayfa · 1973
Starfishes
Maureen E. Downey · [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
18 sayfa · 1970
Classification / Doraster constellatus / Echinodermata / Zoroasteridae / Zorocallida
Maureen E. Downey · Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
99 sayfa · 1968
Catalogs and collections / Sea urchins