Revision of Family Megacalanidae (Copepoda: Calanoida) Author Bradford-Grieve, Janet M. Author Blanco-Bercial, Leocadio Author Boxshall, Geoffrey A. text Zootaxa 2017 4229 1 1 183 journal article 37164 10.5281/zenodo.293480 07873971-1d73-4f3a-b361-179172ec47cf 1175-5326 293480 BCDF8F6F-B8B4-4A9D-A8B8-7EDCEF1100BE
TABLE 10. Comparison of key differences among female Bathycalanus species. A1 = antennule; B2 = basal endite 2; C = coxal endite; Gns = Genital double-somite; Mx1 = maxillule; no. = number; = praecoxal arthrite; Pd5 = pedigerous somite 5; P1 = leg 1; Re2—3 = exopod segments 2—3; seg(s) = segment(s).
SpeciesAnterior head spine- like processesGns widest part in dorsal viewPd5 symmetryPd5 shape, lateral viewA1 segs XV— XX anterior borderA1 seg XVI posterior borderMx1 Pa posterior setaeMx1 C, no. of setaeMx1 B2 setaeP1 Re 2—3: fusion
Ba. richardi2Anterior 1/3rdSymmetricalBluntly roundedSmoothSmooth203Fused
Ba. bradyi2Anterior 1/3rdSymmetricalBluntly roundedSmoothSmooth203Separate
Ba. dentatus n. sp.2Anterior 1/3rdSymmetricalBluntly roundedToothedSmooth202Separate
Ba. milleri n. sp.2Anterior 1/3rdSymmetricalBluntly roundedToothedToothed202Separate
Ba. tumidus n. sp.2MidlengthSymmetricalBluntly roundedSmoothSmooth414Separate
Ba. adornatus n. sp.2Anterior 1/3rdSymmetrical?Extended into irregular-shaped lappetsSmoothSmooth203Separate
Ba. pustulosus n. sp. Ba. bucklinae n. sp.2 2Midlength Anterior 1/3rdAsymmetrical AsymmetricalRounded lappet on right, rectangular on left Irregularly-shaped lappets? Smooth? Smooth2 21 02 4Separate Separate
Ba. unicornis Ba. eximius1 2Anterior 1/8 th MidlengthSymmetrical SymmetricalBluntly rounded Bluntly roundedSmooth SmoothSmooth Smooth3 30 04 4/5Separate Separate