Korotkevitschia Friedrich 1968
Creators
Description
Genus: Korotkevitschia Friedrich, 1968
Generic diagnosis: Pelagic hoplonemerteans with modified monostiliferous proboscis armature; bulb region and bulb duct not developed; basis, central stylet and diaphragm absent; two accessory stylet pouches with posterior opening; rhynchocoel reaches posterior end of body; rhynchocoel wall with interwoven musculature; mouth and rhynchodaeum open separately; precerebral septum closed; body wall with nonfasciated diagonal muscles; longitudinal musculature not anteriorly divided, with honeycomb fascial substructure; dorsoventral musculature weakly developed; longitudinal stomach musculature present; frontal organ present; eyes absent; frontal, cephalic and submuscular glands present in precerebral region; cerebral organs lie beside brain and reach behind dorsal ganglia, cerebral organ canals branched, with two distinct kinds of epithelium; cerebral organ furrows lack secondary grooves; cerebral ganglia with neither neurochord cells nor inner neurilemma; lateral nerve cords without accessory nerve, with a thin band of connective tissue with numerous myofibrils; foregut divisible into stomach and pyloric region; intestinal caecum with lateral pouches only; lateral intestinal pouches large and lobed; very long rectum with welldeveloped sphincter of circular muscle fibres; blood system simple, without pseudometameric transverse connectives; middorsal vessel with single vascular plug; excretory system well developed, opening to exterior in midbody region; testes lie in posterior quarter of the intestinal region, gonadal muscle meshwork not developed.
Type species: Cratenemertes pelagicus Korotkevitsch, 1961.
Other
Published as part of Chernyshev, Alexei V., 2005, Redescription of Korotkevitschia pelagica (Korotkevitsch, 1961) (Enopla: Hoplonemertea: Cratenemertea), a pelagic nemertean from Antarctica, pp. 1-14 in Zootaxa 862 on page 2, DOI: 10.5281/zenodo.170850Files
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Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.5281/zenodo.170850 (DOI)
- Journal article: http://publication.plazi.org/id/FFC4E60BFFCA103EFFFB1279274B172E (URL)
- Is source of
- https://sibils.text-analytics.ch/search/collections/plazi/03FD9E73FFCB103FFEF310C024B61125 (URL)
Biodiversity
- Family
- Cratenemertidae
- Genus
- Korotkevitschia
- Kingdom
- Animalia
- Order
- Monostilifera
- Phylum
- Nemertea
- Scientific name authorship
- Friedrich
- Taxon rank
- genus
- Taxonomic concept label
- Korotkevitschia Friedrich, 1968 sec. Chernyshev, 2005
References
- Friedrich, H. (1968) Sagaminemertes, eine bemerkenswerte neue Gattung der Hoplonemertinen und ihre systematische Stellung. Zoologischer Anzeiger, 180, 33 - 36.
- Korotkevitsch, V. S. (1961) A new nemertean species and its position in the system. Zoologicheskii zhurnal, 40, 1416 - 1420 (in Russian).