Septatorina is a suborder of parasitic alveolates of the

phylum In biology, a phylum (; plural: phyla) is a level of classification or taxonomic rank below kingdom and above class. Traditionally, in botany the term division has been used instead of phylum, although the International Code of Nomenclature f ...

Apicomplexa The Apicomplexa (also called Apicomplexia) are a large phylum of parasitic alveolates. Most of them possess a unique form of organelle that comprises a type of non-photosynthetic plastid called an apicoplast, and an apical complex structure. T ...

Taxonomy

There are five superfamilies and one family in this suborder: superfamilies ''Fusionicae'', ''Gregarinicae'', ''Porosporicae'', ''Stenophoricae'' and ''Stylocephaloidea''; and family ''Blabericolidae''.

History

This taxon was created in 1885 by

Ray Lankester Sir Edwin Ray Lankester (15 May 1847 – 13 August 1929) was a British zoologist.New International Encyclopaedia. An invertebrate zoologist and evolutionary biologist, he held chairs at University College London and Oxford University. He was th ...

Description

The defining morphological feature of this taxon is the presence of septum dividing the gamont or

trophozoite A trophozoite (G. ''trope'', nourishment + ''zoon'', animal) is the activated, feeding stage in the life cycle of certain protozoa such as malaria-causing ''Plasmodium falciparum'' and those of the '' Giardia'' group. (The complement of the trophozo ...

into a protomerite and deutomerite. The septum may not always be visible by light microscopy. Species in this taxon also have an epimerite. Species in this taxon infect

invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...

s and especially

arthropod Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arth ...

References

SAR supergroup suborders Conoidasida {{Apicomplexa-stub