Archeterokrohnia
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 | |
|---|---|
.jpg.webp) | |
| Archeterokrohnia docrickettsae holotype. A, lateral view; B, dorsal view; C, dorsal view, after 4 months preservation. Scale bar: 2 mm. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chaetognatha |
| Class: | Sagittoidea |
| Order: | Phragmophora |
| Family: | Heterokrohniidae |
| Genus: | Archeterokrohnia Casanova, 1986[1] |
Species
- Archeterokrohnia docrickettsae Thuesen & Haddock, 2013[3]
- Archeterokrohnia longicaudata (Hagen & Kapp, 1986)[4]
- Archeterokrohnia palpifera Casanova, 1986[1]
- Archeterokrohnia rubra Casanova, 1986[1]
References
- 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.
- 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, www.mapress.com/j/zt/article/view/zootaxa.3717.3.2/32220.
- Thuesen, E. V. & Haddock, S. H. (2013). Archeterokrohnia docrickettsae (Chaetognatha: Phragmophora: Heterokrohniidae), a new species of deep-sea arrow worm from the Gulf of California. Zootaxa, 3717(3), 320–328.
- Hagen, W. & Kapp, H. (1986). Heterokrohnia longicaudata, a new species of Chaetognatha from Antarctic waters. Polar Biology, 5, 181–183.
[[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, www.mapress.com/j/zt/article/view/zootaxa.3717.3.2/32220.]]
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