Dalyellia viridis, from the Vernal Pool Association.

Belongs within: Neoophora.
Contains: Typhloplanoida.

The Rhabdocoela are a group of flatworms with a straight, simple gut and an anterior mouth.

Rhabdocoela [Eleucithophora]
| i. s.: MesostomaC81
| |--M. californicumC81
| `--M. craciC81
|--Dalyellida [Dalyellioida]S86
| |--Balgetia Luther 1962S86
| | `--B. papii Kolasa 1976S86
| |--ProvortexLOL03
| | |--P. psammophilusLOL03
| | `--P. tubiferusLOL03
| |--PterastericolaLOL03
| | |--P. australisLOL03
| | `--P. fedotoviBK77
| `--DalyelliaS86
| |--D. rossiH62
| |--D. tatricaS86
| `--D. viridisH62
|--Macrorhynchus crocea (Fabricius 1826)S03
|--Amphirhynchus caudatusK92
|--Cheliplana boadeniK92
|--Cicerina brevicirrusK92
|--Mesorhynchus terminostylusK92
|--Proschizorhynchus gullmarensisK92
|--Schizochilus choriurusK92
|--Gnathorhynchus Meixner 1929S86
| `--G. aprosmeno An der Lan 1967S86
|--Uncinorhynchus Karling 1947S86
| `--U. karlingi Kolasa 1977S86
|--Ethmorhynchus Meixner 1938S86
| |--E. anophthalmusK92
| `--E. youngi Kolasa 1977S86
|--Cheliplanilla caudataA66
`--Cystiplex axiA66

Rhabdocoela incertae sedis:
|--A. chiridotaeBK77
|--A. clypeastrisBK77
|--A. gracileBK77
|--A. myriotrochiBK77
|--A. stichopiBK77
`--A. tubiferumBK77
`--Temnosewellia minorLOL03
Umagilla forskalensisBK77
Wahlia macrostyliferaBK77
Anoplodiopsis gracilisBK77
Anoplodiera volutaBK77
Ozametra elegans (Westblad 1926) [=Umagilla elegans]BK77
Syndesmis echinorumBK77
|--M. atriovillosaBK77
`--M. pallidaBK77
Desmote voraxBK77
Triloborhynchus astropectinisBK77
Baikalellia Nasonov 1930 [Graffillidae]B50
Acrorhynchus [Polycystidae]B50

*Type species of generic name indicated


[A66] Ax, P. 1966. Das chordoide Gewebe als histologisches Lebensformmerkmal der Sandlückenfauna des Meeres. Naturwissenschaftliche Rundschau 19: 282–289.

[BK77] Barel, C. D. N., & P. G. N. Kramers. 1977. A survey of the echinoderm associates of the north-east Atlantic area. Zoologische Verhandelingen 156: 1–159.

[B50] Brooks, J. L. 1950. Speciation in ancient lakes. Quarterly Review of Biology 25: 30–60.

[C81] Collins, F. H. 1981. Predation as a major component of mortality among immature mosquitoes in rice fields, flooded pastures, and vernal pools in northern California. Dissertation Abstracts International B 41: 4375.

[GD00] Giribet, G., D. L. Distel, M. Polz, W. Sterrer & W. C. Wheeler. 2000. Triploblastic relationships with emphasis on the acoelomates and the position of Gnathostomulida, Cycliophora, Plathelminthes, and Chaetognatha: a combined approach of 18S rDNA sequences and morphology. Systematic Biology 49: 539–562.

[H62] Hass, W. H. 1962. Conodonts. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt W. Miscellanea: Conodonts, Conoidal Shells of Uncertain Affinities, Worms, Trace Fossils and Problematica pp. W3–W69. Geological Society of America, and University of Kansas Press.

[H01] Hooge, M. D. 2001. Evolution of body-wall musculature in the Platyhelminthes (Acoelomorpha, Catenulida, Rhabditophora). Journal of Morphology 249: 171–194.

[K92] Kozloff, E. N. 1992. The genera of the phylum Orthonectida. Cahiers de Biologie Marine 33: 377–406.

[LOL03] Lockyer, A. E., P. D. Olson & D. T. J. Littlewood. 2003. Utility of complete large and small subunit rRNA genes in resolving the phylogeny of the Neodermata (Platyhelminthes): implications and a review of the cercomer theory. Biological Journal of the Linnean Society 78: 155–171.

[S86] Schwank, P. 1986. Microturbellaria from subterranean freshwater habitats. In: Botosaneanu, L. (ed.) Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) pp. 47–56. E. J. Brill / Dr. W. Backhuys: Leiden.

[S03] Slyusarev, G. S. 2003. The fine structure of the muscle system in the female of the orthonectid Intoshia variabilis (Orthonectida). Acta Zoologica 84: 107–111.

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