CATALOG OF ORIGINAL DESCRIPTIONS: Lithomelissa (Dimelissa) Campbell 1951

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: rads_cat -> D -> Dimelissa
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Dimelissa

Citation: Lithomelissa (Dimelissa) Campbell 1951
Rank: sub-genus
Type species: Lithomelissa thoracites Haeckel 1860 [Campbell,1951, p.529]
Described on page(s) : 529

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Current identification/main database link:

See also: Lithomelissa - Dimelissa was described as a sub-genus of Lithomelissa;


Original Description
Lithomelissae having the cephalis with two divergent apical horns, the superior occipital horn and the other inferior frontal horn.

Editors' Notes
[A new name proposed for Micromelissa Haeckel,1887a p.1205, a junior homonym of Micromelissa Haeckel, 1881a.

In 1887a, Haeckel used the name Micromelissa twice for very different Radiolarida. First it was considered a subgenus of Lithomelissa (p. 1205) and later (p. 1235) an independant genus. The former was stated to be in sensu emendato. The genus as originally constituted (Haeckel, 1881a, p. 433) included only basally fenestrated Dicyrtoidea but Lithomelissa is basally open. A new name therefore is needed for Haeckel's subgenus. Haeckel (1887, pl. 56, fig. 1) designated one of his figured specimens Lithomelissa b├╝tschlii, n. sp. vel Sethomelissa b├╝tschlii, n. sp., but he listed it among the species of Micromelissa sensu emendato. His second figure (1887a, pl. 56, fig. 2) is labelled Lithomelissa decacantha, n.sp., but it is included in the text in the subgenus Sethomelissa Haeckel 1881a. Dimelissa differs from the typical subgenus Lithomelissa by having two apical horns instead of a single one.]

References:

Campbell, A. S. (1951). New genera and subgenera of Radiolaria. Journal of Paleontology. 25(4): 527-530. gs


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Dimelissa compiled by the radiolaria@mikrotax project team viewed: 29-11-2020

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