NA. (1957). American species of Ledermuelleria and Leder-muelleriopsis, with a note on new synonymy in Neognathus. Zenodo.
Tohutoru Kātū Chicago (17th ed.)NA. American Species of Ledermuelleria and Leder-muelleriopsis, with a Note on New Synonymy in Neognathus. Zenodo, 1957.
Tohutoro MLA (9th ed.)NA. American Species of Ledermuelleria and Leder-muelleriopsis, with a Note on New Synonymy in Neognathus. Zenodo, 1957.
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