Archeterokrohnia

Archeterokrohnia
"Archeterokrohnia docrickettsae" holotype. A, lateral view; B, dorsal view; C, dorsal view, after 4 months preservation. Scale bar: 2 mm.
Archeterokrohnia docrickettsae holotype. A, lateral view; B, dorsal view; C, dorsal view, after 4 months preservation. Scale bar: 2 mm.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chaetognatha
Class: Sagittoidea
Order: Phragmophora
Family: Heterokrohniidae
Genus: Archeterokrohnia
Casanova, 1986[1]

Archeterokrohnia is a genus of chaetognaths in the family Heterokrohniidae.The total body length excluding tail fin 28.5; the tail section is 55.2% of the tail fin; head blunt when hooded, triangular after preservation, head with 3.5 mm. Furthermore, the eyes are absent, the trunk section is orange throughout in life, and the organism exists around 3200 m below sea level.[2]

Species

References

  1. ^ a b c Casanova, J. (1986). Archeterokrohnia rubra n. gen., n. sp., nouveau Chaetognathe abyssal de l'Atlantique nord-africain: description et position systématique, hypothèse phylogénétique. Bulletin du Muséum National d'Histoire Naturelle, Paris, (4)8(A), 185–194.
  2. ^ a b Thuesen, Erik V., and Steven H.d. Haddock. “Archeterokrohnia Docrickettsae (Chaetognatha: Phragmophora: Heterokrohniidae), a New Species of Deep-Sea Arrow Worm from the Gulf of California.” Zootaxa, 2013 Magnolia Press, https://www.mapress.com/j/zt/article/view/zootaxa.3717.3.2/32220.
  3. ^ Hagen, W. & Kapp, H. (1986). Heterokrohnia longicaudata, a new species of Chaetognatha from Antarctic waters. Polar Biology, 5, 181–183.


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