Pterokrohniidae is a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of
sagittoidea
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 zone, be ...
ns in the
order
Order, ORDER or Orders may refer to:
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
* Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
Aphragmophora
Aphragmophora is an order of sagittodieans in the phylum Chaetognatha.
Families
* Bathybelidae Bieri, 1989Bieri, R. (1989). Krohnittellidae and Bathybelidae, new families in the phylum Chaetognatha; the rejection of the family Tokiokaispadelli ...
. I consists of a single genus, ''Pterokrohnia'' Srinivasan, 1986,
[Srinivasan, M. (1986). ''Pterokrohnia arabica'', a new genus and species of Chaetognatha from the Arabian Sea. ''Journal of the Marine Biological Association of India'', 28(1–2), 199–201.] which consists of a single species, ''Pterokrohnia arabica'' Srinavasan, 1986.
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References
Chaetognatha
Monotypic protostome genera
{{Chaetognatha-stub