Bathynellidae Grobben 1905
Creators: name: Perina, Giulia
name: Camacho, Ana I.
name: White, Nicole E.
name: Morgan, Liesel
name: Lawrie, Angus
name: Floeckner, Stephanie
name: Guzik, Michelle T.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Bathynellacea
Bathynellidae

description: Key to subfamilies
1a. AI with six or seven articles; AII with five to seven articles; labrum smooth; sexual dimorphism present or absent on mandibular palp and/or thoracopods; mandibular palp with one or two claws; MxI with three plumose setae on lateral side; MxII four-segmented; basipod of thoracopod I almost rectangular; exopod inserted distally on basipod; ThI with fourth endopodal article small; uropod with three or four exopodal setae (Fig. 18B, D, H–J); uropod with exopod <endopod; furcal rami with five spines (Fig. 19) 2
1b. AI with seven articles; AII with eight articles (Fig. 9B); labrum with teeth (Fig. 9C); no sexual dimorphism in mandibular palp or thoracopods; three claws on mandibular palp (Fig. 9E, F); MxI with two smooth setae laterally (Fig. 9K); MxII three-segmented (Fig. 9L); basipod of ThI trapezoidal (Fig. 10A); exopod of ThI inserted medially on basipod; ThI with fourth endopodal article long; male ThVIII with endopod = exopod (Fig. 11A, B); uropod with six exopodal setae (Fig. 11D); uropod with exopod = endopod (Fig. 11D); furcal rami with three spines (Fig. 11E)......................................................... .................................................................................................................................................. Queenslandbathynellinae subfam. nov.
2a. AI with six or seven articles; AII with five to seven articles; mandibular palp with one to three articles and one or two claws; sexual dimorphism present or absent in mandibular palp and/or in thoracopods; thoracopods with three or four endopodal articles; female ThVIII with protopod and two branches; male ThVIII with exopod like the exopod of thoracopods (Fig. 17F–H); male ThVIII with endopod <exopod; pleopod II present or absent ............................................................................... 3
2b. AI with seven articles; AII with seven articles (Fig. 12F); mandibular palp with three articles (Fig. 13M) and two claws; sexual dimorphism absent in mandibular palp or thoracopods; thoracopods with four endopodal articles (Figs 14H, 15E); female ThVIII with protopod and one branch; male ThVIII with exopod not like exopod of thoracopods (Fig. 17J); male ThVIII with exopod = endopod; pleopod II absent; uropod with special seta (‘X’) on endopod (Fig. 18F) .............................. ...................................................................................................................................................................................... Austrobathynellinae
3a. Mandibular palp with one to three articles (Fig. 13I, J, N)and one or two claws; mandibular palp with sexual dimorphism thoracopods with three or four endopodal articles (Figs 14A, B, 15A, B); thoracopods with no sexual dimorphism; female ThVIII with epipod present or absent; pleopod II always absent; sympod of the uropod with maximum four spines (Fig. 18B, C)........................................................................................................................................................................... Gallobathynellinae
3b. Mandibular palp always with three articles and two claws (Fig. 13K, L); thoracopods always with four endopodal articles (Figs 14C, F, I, 15C, D, F); sexual dimorphism present or absent in thoracopods and rarely on the mandibular palp; female ThVIII epipod always present; pleopod II present or absent; sympod of the uropod with more than four spines (Fig. 18D, E) ................................................................................................................................................................................................... Bathynellinae
description: Published as part of Perina, Giulia, Camacho, Ana I., White, Nicole E., Morgan, Liesel, Lawrie, Angus, Floeckner, Stephanie & Guzik, Michelle T., 2024, Unveiling hidden Bathynellidae (Crustacea: Bathynellacea) diversity in Australia: an integrated study reveals remarkable diversity and a new subfamily from Queensland, pp. 1-49 in Zoological Journal of the Linnean Society (zlae 151) (zlae 151) 202 (4) on page 29, DOI: 10.1093/zoolinnean/zlae151, http://zenodo.org/record/14824815