On the fossil alga Elianella elegans PFENDER & BASSE, 1948, and its so-called lookalikes, with description of Elianella brasiliana n.sp Revision of the Juliette PFENDER Collection. Part 1

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Granier, Bruno [UNESP]
Dias-Brito, Dimas [UNESP]

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Carnets Geologie


According to some authors, the three fossil algal forms discussed in this paper, Cordilites cretosus (REUS, 1846), Elianella elegans PFENDER & BASSE, 1948, and Parachaetetes asvapatii PIA in RAO & PIA, 1936, are synonyms. However, we document that they represent three discrete species. The genus Elianella PFENDER & BASSE, 1948, gets unique features that make it easy to discriminate; we describe a new species from Albian limestones of Brazil. The other two genera, Cordilites POCTA, 1887, and Parachaetetes DENINGER, 1906, share some common features, such as having a thallus made of a lattice-network with columns (filaments) and rows. However, on the basis of their diagnostic criteria, the species Cordilites cretosus and Parachaetetes asvapatii should not be confused.



Rhodogorgonales, Elianellaceae, Solenoporacea, Cordilites, Elianella, Parachaetetes

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Carnets De Geologie. Brest Cedex 3: Carnets Geologie, v. 16, n. 5-9, p. 213-229, 2016.