HIERARCHICAL CLASSIFICATION OF THE PHYLUM ACOELOMORPHA
| EUKARYA>UNIKONTA>OPISTHOKONTA>ANIMALIA>METAZOA>BILATERIA>ACOELOMORPHA |
PHYLUM ACOELOMORPHA LINKS
| The following descriptions and taxonomy are modified from Brusca and Brusca (2003), Nielsen (2001), (Pechenik 2005), Ruppert et al. (2004), and Walker and Anderson (2001). |
- CLASS ACOELA
- Mostly free-living flatworms with a ventral mouth. Gut is poorly defined as a syncytium. Statocyst with 1 statolith. Marine.
- Achoerus, Anaperus, Paranaperus, Philachoerus, Praeanaperus
- Antigonaria
- Adenopea, Antroposthia, Convoluella, Unantra
- Actinoposthia, Adeloposthia, Archactinopostia, Atriofronta, Childia, Microposthia, Paraphaostoma, Paraproporus, Pelophila, Philactinoposthia, Pseudactinposthia
- Alluna, Aphanostoma, Archaphaostoma,Avagina, Baltalimania, Bursosaphia, Conaptera, Convoluta, Convolutriloba, Faerlea, Haplodiscus, Postaphaostoma, Praeaphaostoma, Praeconvoluta, Proaphanostoma, Proconvoluta, Pseudaphanostoma
- Diopisthoporus
- Hallangia
- Adenocauda, Afronta, Haplogonaria, Haploposthia, Kuma, Parahaplogonaria, Parahaploposthia, Pseudohaplogonaria, Simplicomorpha, Waminoa
- Hofsteniola
- Eumecynostomum, Mecynostomum, Neomecynostomum, Paedomecynostomum, Paramecynostomum, Philomecynostomum, Postmecynostomum, Pseudmecynostomum
- Nadina
- Archoelis, Haplotestis, Notocoelis, Otocoelis, Philocoelis
- Paratomella
- Proporus
- Simsagittifera
- Oligophilomorpha, Solenophilomorpha
- Taurida
- Isodiametra
- Mostly free-living flatworms with a ventral mouth. Gut is poorly defined as a syncytium. Statocyst with 1 statolith. Marine.
- CLASS NEMERTODERMATA
- Flatworms similar to the acoels except that their gut cavity is permanent. They have two (to many) statoliths. Marine.
- Flagellophora, Meara, Nemertinoides, Nemertoderma, Sterreria
- Flatworms similar to the acoels except that their gut cavity is permanent. They have two (to many) statoliths. Marine.
| LITERATURE CITED Brusca, R. C. and G. J. Brusca. 2003. Invertebrates. Sinauer Associates, Inc. Sunderland, Mass. Nielsen, C. 2001. Animal Evolution: Interrelationships of the Living Phyla. 2nd Edition. Oxford University Press. Oxford. Pechenik, J. A. 2005. Biology of the Invertebrates. McGraw-Hill. New York. Ruppert, E. E., R. S. Fox, and R. D. Barnes. 2004. Invertebrate Zoology: A Functional Evolutionary Approach. Seventh Edition. Thomson, Brooks/Cole. New York. pp. 1-963. Walker, J. C. and D. T. Anderson. 2001. The Platyhelminthes, Nemertea, Entoprocta, and Gnathostomulida. In: Anderson, D.T., ed. Invertebrate Zoology. Oxford University Press. Oxford, UK. pp. 59-85. [L] |
| By Jack R. Holt. Last revised: 02/03/2011 |
