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]
| Archeterokrohnia | |
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| Archeterokrohnia docrickettsae holotype. A, lateral view; B, dorsal view; C, dorsal view, after 4 months preservation. Scale bar: 2 mm. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chaetognatha |
| Class: | Sagittoidea |
| Order: | Phragmophora |
| Family: | Heterokrohniidae |
| Genus: | Archeterokrohnia Casanova, 1986[1] |
Species edit
- Archeterokrohnia docrickettsae Thuesen & Haddock, 2013[2]
- Archeterokrohnia longicaudata (Hagen & Kapp, 1986)[3]
- Archeterokrohnia palpifera Casanova, 1986[1]
- Archeterokrohnia rubra Casanova, 1986[1]
References edit
- ^ 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.
- ^ 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.
- ^ Hagen, W. & Kapp, H. (1986). Heterokrohnia longicaudata, a new species of Chaetognatha from Antarctic waters. Polar Biology, 5, 181–183.
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