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Taxon: Genus †Macrosemius Agassiz, 1834 (fish)
 Entity: 

Authorship

Original name Agassiz, L. 1834. N. Jahrb. f. Min. 1834: 387.
Subsequent publication Agassiz, L. (1834). Poiss. Foss. [livr. 2] (Feuilleton): 17 ("genre. ... Agass.").
Subsequent publication Agassiz, J.L.R. (1844). Poiss. Foss. 2 (2): 150 ("Genre ... Agass.").

Types

Type ofMacrosemiidae (Family) Wagner, 1860, "nom. praeval." Ref: R. van der Laan, 2018: 56. [implicit]
Type ofMacrosemiiformes (Order)
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Last updated: 21 Sep 2025