Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Platyzoa
Phylum: Platyhelminthes
Subphylum: Rhabditophora
Ordo: Tricladida
Subordo: Cavernicola
Familiae (1): Dimarcusidae
Genera Incertae sedis (1): Hausera
Name
Cavernicola Sluys, 1990
References
Sluys, R.; Kawakatsu, M.; Riutort, M.; Baguñà, J. 2009: A new higher classification of planarian flatworms (Platyhelminthes, Tricladida). Journal of natural history, 43: 1763–1777. DOI: 10.1080/00222930902741669
Links
Cavernicola in the World Register of Marine Species
Zicha, Ondřej et al. Cavernicola – Taxon details on Biological Library (BioLib).
Cavernicola is a suborder of planarians found mostly in freshwater habitats of caves, although some species occur on the surface.[1]
Description
The main morphological feature that defines the suborder Cavernicola is the placement of their ovaries. They are located more posteriorly than in other planarians, which usually have them close to the brain. The copulatory apparatus has a copulatory bursa in most species, although in some it is absent and is replaced by a connection to the intestine.[1]
Taxonomy
The suborder Cavernicola was originally erected for the family Dimarcusidae due to its unusual morphological features that did not match those of the other planarian suborders.[1] Recently, the discovery of another unusual cave species led to the erection of a new family, Amphibioplanidae, which as also included in Cavernicola due to shared morphological features.[2]
References
Sluys, Ronald (1990). "A monograph of the Dimarcusidae (Platyhelminthes, Seriata, Tricladida)". Zoologica Scripta. 19 (1): 13–29. doi:10.1111/j.1463-6409.1990.tb00237.x. ISSN 0300-3256. S2CID 84915439.
Stocchino, Giacinta Angela; Dols-Serrate, Daniel; Sluys, Ronald; Riutort, Marta; Onnis, Carlo; Manconi, Renata (17 February 2021). "Amphibioplanidae: a new branch and family on the phylogenetic tree of the triclad flatworms (Platyhelminthes: Tricladida), represented by a species from Sardinian caves with a remarkable lifestyle". Zoological Journal of the Linnean Society. 193 (4): 1364–1391. doi:10.1093/zoolinnean/zlaa183. eISSN 1096-3642. ISSN 0024-4082.
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