Aplysia argus  Rüppell & Leuckart, 1830

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Aplysia argus can be distinguished from other species of Aplysia by the large dark brown/black rings on the mantle and parapodia. In some specimens are the rings pretty pale diffuse brownish.
This species was posted on 16 April 2003 at these websites as Aplysia dactylomela  Rang, 1828, within the order Anaspidea  P. Fischer, 1883,
according to Alexander & Valdés (2013) is A. dactylomela an Atlantic species, the oldest valid name for the Indo-Pacific specimens
is Aplysia argus  Rüppell & Leuckart, 1830, not 1828 as in Alexander & Valdés (2013).
pers. comment of Dr. Richard C. Willan:"...but the date (of 1828) that you use following the paper by Alexander and Valdés (2013) is incorrect. The date of publication of the name Aplysia argus is 1830, not 1828. For a brief explanation, Rüppell & Leuckart’s text on molluscs in the Atlas zu der Reise im nördlichen Afrika... was published in two parts, pages 15 - 22 in 1828 and pages 23 - 47 in 1830 (Winkworth 1942). The name Aplysia argus appeared on page 23, so it must date from 1830."
Bouchet & Rocroi (2005) replaced Anaspidea by Aplysiomorpha Pelseneer, 1906,
Jörger et al. (2010) have moved this taxon (named as Anaspidea) into the superorder Euopisthobranchia  Jörger et al., 2010.
Bouchet & Rocroi (2017) emended Aplysiomorpha to Aplysiida within the
subterclass Tectipleura  Schrödl, Jörger, Klussmann-Kolb & Wilson, 2011.
I moved Aplysia argus  Rüppell & Leuckart, 1830 on 11 February 2018 into the order Aplysiida  Pelseneer, 1906.
Jennifer Alexander and Ángel Valdés. The ring doesn't mean a thing: Molecular data suggest a new taxonomy for two Pacific species of sea hares (Mollusca: Opisthobranchia, Aplysiidae).
Pacific Science 2013 67 (2), 283-294., available online at http://dx.doi.org/10.2984/67.2.10.
Rüppell E. & Leuckart F.S. (1828-1830). Mollusca [in] Atlas zu der Reise im nördlichen Afrika von Eduard Rüppell. 1. Abth. Zoologie. 5. Neue wirbellose Thiere des Rothen Meers.
Frankfurt, H.L. Brönner pp. 1-22, pl. 1-12 [1828], pp. 23-47 [probably 1830], page(s): 23, Plate 7, Figure 1
available online at http://www.biodiversitylibrary.org/item/114235#page/349/mode/1up
Bouchet P., Rocroi J.-P., Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. (2005).
"Classification and nomenclator of gastropod families".
Jörger, Stöger, Kano, Fukuda, Knebelsberger & Schrödl (2010).
"On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of
BMC Evolutionary Biology 10: 323. online at http://www.biomedcentral.com/1471-2148/10/323
Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families.
Malacologia. 61(1-2): 1-526. Online at http://www.bioone.org/doi/abs/10.4002/040.061.020
More information on Aplysia argus as Aplysia dactylomela are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2021), published 13 February 2021, Aplysia argus  Rüppell & Leuckart, 1830
available from https://www.Philippine-Sea-Slugs.com/Aplysiida/Aplysia_argus.htm


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