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: Macrostomorpha
Subordo (1): Dolichomicrostomida
Familiae (2): Haplopharyngidae – Macrostomidae
Genera Incertae sedis (2): Bradynectes – Myozona
Name
Macrostomorpha Doe, 1986: 172
References
Primary references
Doe, D.A. 1986. Ultrastructure of the copulatory organ of Haplopharynx quadristimulus and its phylogenetic significance (Plathelminthes, Haplopharyngida). Zoomorphology 106(3): 163–173. DOI: 10.1007/BF00312205
Additional references
Janssen, T., Vizoso, D.B., Schulte, G., Littlewood, D.T.J., Waeschenbach, A. & Schärer, L. 2015. The first multi-gene phylogeny of the Macrostomorpha sheds light on the evolution of sexual and asexual reproduction in basal Platyhelminthes. Molecular Phylogenetics and Evolution 92: 82–107. DOI: 10.1016/j.ympev.2015.06.004 Reference page.
Links
Macrostomorpha in the World Register of Marine Species
Macrostomorpha is a clade of free living flatworms ranked either as class or subclass in the group Rhabditophora. There are about 260 described species in two orders - marine, freshwater and brackish Macrostomida, which group most of the species diversity, and exclusively marine Haplopharyngida with only three described species.[1] Macrostomorpha constitute a basal group in Rhabditophora, showing such plesiomorphic condition as entolecithal eggs and spiral cleavage.[2] Another trait found among members of the clade is presence of hard stylet in the male copulatory organ.
References
"World Register of Marine Species". 29 April 2016.
Egger, Bernhard; et al. (2015). "A Transcriptomic-Phylogenomic Analysis of the Evolutionary Relationships of Flatworms". Current Biology. 25 (10): 1347–1353. doi:10.1016/j.cub.2015.03.034. PMC 4446793. PMID 25866392.
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