Archeterokrohnia
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| 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  | |
| 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]
