Names from Ehrenberg, 1832

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This concerns the rotifers attributed to Ehrenberg (1832), Abhandlungen der Akademie der Wissenschaften, Berlin (für 1831).

A dozen of these names also appear in the earlier paper Ehrenberg (1830), Organisation, Systematik, und geographisches Verhältnis der Infusionsthierchen, mostly marked as new species without any descriptions.  I found them on the following pages:

aculeata, Philodina - p. 69
bicarinata, Salpina - p. 85, 90
citrina, Philodina - p. 69
dilatata, Euchlanis - p. 96
lunaris, Monostyla - p. 84, 90; combined with Lepadella in 1832
ornata, Floscularia - p. 65
triptera, Lepadella - p. 83; combined with Metopidia p. 92

gibba, Hydatina - p. 66
laticauda, Hydatina - p. 83, 90
leptocerca, Hydatina - p. 83, 90
terminalis, Hydatina - p. 83, 90

There is also Megalotrocha alba on p. 65.  I have checked both papers and could not see any difference in use between these names, and ones that the List of Available Names does attribute to Ehrenberg, 1830.  Since both appear together in Abhandl. d. Akad. in 1832, maybe they have been confused?

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Submitted by fwelter on

Nomina nuda in Ehrenberg 1830 (mentioned without description or indication):

List A:

Notommata aequalis, p. 66
Aurita diglena, p. 67
Brachionus bakeri, p. 68
Monocerca bicornis, p. 66
Colorus bicuspidatus, p. 64
Salpina brevispina, p. 66
Notommata decipiens, p. 66
Notommata forcipata, p. 66
Furcularia gibba, p. 66
Furcularia gracilis, p. 66
Euchlanis macrura, p. 66
Brachionus palea, p. 68
Dinocharis paupera, p. 67
Monostyla quadridentata, p. 66
Salpina redunca, p. 66
Notommata saccigera, p. 66
Salpina spinigera, p. 66
Rotifer tardigradus, p. 68
Dinocharis tetractis, p. 67
Salpina ventralis, p. 66

List B:

Diglena capitata, p. 67
Distemma forficula, p. 67
Distemma setigerum, p. 67

These names should be removed from the proposed Lists or attributed to the next source where the name was made available.

Names attributed to the 1830 work and for which a short description was provided, and which are not nomina nuda:

List A:

Megalotrocha alba, p. 65 (date given as 1831, in error) ("oculis quatuor")
Mastigocerca carinata, p. 66 ("cauda simplici")
Microcodon clavus, p. 65 ("oculo unico")
Monura colorus, p. 64 ("cauda simplici")
Philodina erythrophthalma, p. 68 ("Cauda ter furcata") and Pl. 7 (illustration, name also printed on plate)
Enteroplea lacustris, p. 66 ("ore recto terminali")
Eosphora najas, p. 67 ("oculis tribus, uno dorsali, duobus frontalibus")
Actinurus neptunius, p. 68 ("caudae quinque apicibus")
Pleurotrocha petromyzon, p. 66 ("ore oblique infero")

List B:

Monolabis conica, p. 68 ("cauda simpliciter furcata")
Norops dorsalis, p. 67 ("tribus dorsalibus")
Callidina elegans, p. 68 ("cocca")
Theorus vernalis, p. 67 ("dorsalibus acervatis")

I should add a note that the short descriptions may have repeated each other ("cauda simplici"), but they were posted in different contexts (because the higher taxa were also equipped with short descriptions and this provided always a unique combination of descriptions).

Joshua's list:

aculeata, Philodina - p. 69 - - nomen nudum
bicarinata, Salpina - p. 85, 90 - - nomen nudum, only a size was given that did not differ from others, so this did not denote the taxon
citrina, Philodina - p. 69 - - nomen nudum
dilatata, Euchlanis - p. 96 - - I did not find this name on p. 96, should say 66, nomen nudum there
lunaris, Monostyla - p. 84, 90; combined with Lepadella in 1832 - - nomen nudum in 1830, only a size was given
ornata, Floscularia - p. 65 - - correctly established on p. 65 with description
triptera, Lepadella - p. 83; combined with Metopidia p. 92 - - correctly established on p. 92 with description, as Metopidia triptera

gibba, Hydatina - p. 66- - nomen nudum
laticauda, Hydatina - p. 83, 90 - - nomen nudum, only a size was given
leptocerca, Hydatina - p. 83, 90 - - nomen nudum, only a size was given
terminalis, Hydatina - p. 83, 90 - - nomen nudum, only a size was given

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