''Archeterokrohnia'' is a
genus of
chaetognaths
The Chaetognatha or chaetognaths (meaning ''bristle-jaws'') are a phylum of predatory marine worms that are a major component of plankton worldwide. Commonly known as arrow worms, about 20% of the known Chaetognatha species are benthic, and ca ...
in the
family Heterokrohniidae
Heterokrohniidae is a family of sagittoideans in the order Phragmophora.
Genera
*''Archeterokrohnia'' Casanova, 1986
*''Heterokrohnia'' von Ritter-Záhony, 1911von Ritter-Záhony, R. (1911). Revision der Chatognathen. ''Deutsche Südpolar Exped ...
.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.
[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.]
Species
*''
Archeterokrohnia docrickettsae
''Archeterokrohnia docrickettsae'' is a type of deep-sea marine arrow worm. It is the largest species in the ''Archeterokrohnia
''Archeterokrohnia'' is a genus of chaetognaths in the family Heterokrohniidae.The total body length excluding ta ...
''
Thuesen & Haddock, 2013[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.]
*''
Archeterokrohnia longicaudata''
(Hagen & Kapp, 1986)[Hagen, W. & Kapp, H. (1986). ''Heterokrohnia longicaudata'', a new species of Chaetognatha from Antarctic waters. ''Polar Biology'', 5, 181–183.]
*''
Archeterokrohnia palpifera
''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 m ...
''
Casanova, 1986[
*'' Archeterokrohnia rubra'' Casanova, 1986][
]
References
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.
Chaetognatha
Protostome genera
{{Chaetognatha-stub