Thermosbaenacea

Belongs within: Eumalacostraca.

The Thermosbaenacea are a group of small crustaceans that are only known from cave or marine interstitial habitats. Many species are found in waters with raised salinities.

Characters (from Stock 1986): Small (≤4 mm); strictly stygobiont. Carapace fused with first thoracomere; dorsal brood pouch present in female, internally connected with branchial chamber; oostegites absent. Free larval stages absent. Adults with five (Thermosbaena) or seven pereiopods. Penis present on 8th thoracomere of male.

<==Thermosbaenacea [Pancarida]
    |--TulumellidaeMD01
    |--Halosbaena Stock 1976S86 [HalosbaenidaeMD01]
    |    |--H. acanthura Stock 1976S86
    |    `--H. tulki Poore & Humphreys 1992PH13
    `--+--ThermosbaenidaeMD01
       |    |--Theobaena cambodjana Cals & Boutin 1985S86
       |    |--Thermosbaena Monod 1924S86
       |    |    `--T. mirabilis Monod 1924S86
       |    `--Limnosbaena Stock 1976S86
       |         `--L. finki (Meštrov & Lattinger-Penko 1969)S86
       `--Monodella Ruffo 1949S86 [MonodellidaeMD01]
            |--M. argentarii Stella 1951 [incl. M. halophila Karaman 1953]S86
            |--M. atlantomaroccana Cals 1985S86
            |--M. relicta Por 1962S86
            |--M. sanctaecrucis Stock 1976S86
            |--M. somala Chelazzi & Messana 1982S86
            |--M. stygicola Ruffo 1949S86
            `--M. texana Maguire 1965S86

*Type species of generic name indicated

References

[MD01] Martin, J. W., & G. E. Davis. 2001. An updated classification of the Recent Crustacea. Natural History Museum Los Angeles County, Science Series 39: 1–124.

[PH13] Poore, G. C. B., & W. F. Humphreys. 2013. Bunderanthura bundera gen. et sp. nov. from Western Australia, first anchialine Leptanthuridae (Isopoda) from the Southern Hemisphere. Records of the Western Australian Museum 28 (1): 21–29.

[S86] Stock, J. H. 1986. Thermosbaenacea. In: Botosaneanu, L. (ed.) Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) pp. 585–588. E. J. Brill/Dr W. Backhuys: Leiden.