postembryonal development
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Zootaxa ◽  
2009 ◽  
Vol 2176 (1) ◽  
pp. 1-21 ◽  
Author(s):  
ARTEM Y. SINEV

Morphology and differential diagnosis of two common Eurasian but frequently confused Eurasian cladocerans, Acroperus harpae (Baird, 1834) and A. angustatus Sars, 1863, was investigated. Validity of both species is confirmed. A significant intraspecific variation in body shapes, unusual for species of the family Chydoridae, is present in females of both species. This “traditional” character is unreliable as diagnostic feature. Prominent differences between two species are revealed in antennal morphology, used for identification of all instars of males and females. Detailed morphology of males, postembryonal development of both males and females was studied in details for the first time. Our data suggest that two other European Acroperus taxa, A. neglectus Lilljeborg, 1900 and A. alonoides Hudendorff, 1876, are junior synonyms.



Zootaxa ◽  
2007 ◽  
Vol 1605 (1) ◽  
pp. 1-32 ◽  
Author(s):  
CAROLA LANG ◽  
TRAUDL KRAPP ◽  
ROLAND R. MELZER

Descriptions of the sets of externally visible characters of “ready-to-hatch” juveniles and redescriptions of females and males of Caprella cavediniae Krapp-Schickel & Vader, 1998 and Caprella equilibra Say, 1818 (Crustacea: Amphipoda: Caprellidae) are made using the scanning EM and the light microscope. The juveniles of the different species are compared as well as the juveniles with the respective adults. It is shown that juvenile Caprellas are far from being “miniature editions” of the adults and that numerous morphogenetic changes and reconstructions occur during postembryonal development.



2001 ◽  
Vol 52 (4) ◽  
pp. 457-471
Author(s):  
KINGA Molnár ◽  
NOÉMI H. Borhegyi ◽  
GY. Csikós ◽  
M. Sass




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