Eulimnadia aethiopica Daday de Deés, 1926
publication ID |
https://doi.org/ 10.5252/z2010n3a1 |
DOI |
https://doi.org/10.5281/zenodo.4552290 |
persistent identifier |
https://treatment.plazi.org/id/AE2287E3-4E05-FF80-FD32-FDFEA4DCFA11 |
treatment provided by |
Felipe |
scientific name |
Eulimnadia aethiopica Daday de Deés, 1926 |
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Eulimnadia aethiopica Daday de Deés, 1926 View in CoL ( Fig. 1 View FIG E-I)
Eulimnadia aethiopica Daday de Deés, 1926: 546 View in CoL , fig. 137.
Limnadia aethiopica – Brtek 1997: 56.
TYPE LOCALITY. — Indicated by Daday de Deés (1926) as coming from Sudan. However, the collector designated the Kousseri area (Kousri in Daday de Deés and on the sample label), a town of the north-east of Cameroon, very near the Chad border, near N’djamena. It is impossible to say if the collection came from present Chad or Cameroon.
MATERIAL EXAMINED. — The Kousseri Area, Chari Tchad Mission (“Chari Soudanai, Kousri”), VIII.1903, J. Decorse,> 10 eggs (MNHN-Bp318).
RANGE. — Based on egg morphology, this species appears restricted to the type locality for the present, however see Remarks below.
EGG MORPHOLOGY
Spherical egg with approximately rectangular depressions randomly distributed at the egg surface. The bottom of the depressions is very narrow and linear, and the ridges separating them are narrow and relatively sharp ( Fig. 1H, I View FIG ). In detail, the egg surface is relatively smooth ( Fig. 1I View FIG ). Average egg diameter is 178.1 µm (n = 8, SD = 5.4 µm).
REMARKS
The original drawing and description of the egg, indicating “Ova membrana tuberculata, tuberculis utcunque coniformibus armata tecta”, is compatible with the eggs studied here. This species has a spherical rough egg which is widespread in the world and has already been reported from Sudan ( E.africana ( Brauer 1877)) , south of Africa (reported as E.africana by Barnard 1929), Arabia ( E.margaretae by Thiéry 1996), South America ( E. brasiliensis Sars, 1902 or E. ovilunata Martin & Belk, 1989 by Martin 1989; Martin & Belk, 1989 and Pereira & Garcia 2001) and also China (E. sp. Shen & Huang 2008). A careful examination of this type of egg using SEM could provide strong argument to clearly define each species according to the date of description. Indeed, at present eggs of E. africana , the first species described with this type of egg morphology, are not yet described using SEM.
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Eulimnadia aethiopica Daday de Deés, 1926
Rabet, Nicolas 2010 |
Limnadia aethiopica
BRTEK J. 1997: 56 |
Eulimnadia aethiopica Daday de Deés, 1926: 546
DADAY DE DEES E. 1926: 546 |