Nyctiphanes

Genusaccepted · checked 2026-08-05WoRMS 110677ITIS 95547key worms:110677

2026-08-05: itis_id 95547 via WoRMS external link

Nyctiphanes is a genus of krill, comprising four species with an anti-tropical distribution. Based on molecular phylogenetic analyses of the cytochrome oxidase gene and 16S ribosomal DNA, Nyctiphanes is believed to have evolved during the Miocene.W CalCOFI holds 10,124 observations of it in 1 dataset between 1951 and 2019.R

10,124
observations: 10,124
records: 1951–2019
years: 1
datasets

Photo · William J Dakin · Public domain · commons

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 1 taxon, in the fold below.

Ways inExplorer db-query R Python This page as JSON

Code and endpoints R · Python · JSON

library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:110677")

Read from taxa.json of release v2026.10.21, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it not on record

Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).

Under it 1 taxon

sp Nyctiphanes simplex10,124

Lineage 10 ranks · Biota to Euphausiidae

Credits silhouette · photo · text

Silhouette · Steven Haddock · Public Domain Mark · PhyloPic, drawn from Euphausia pacifica · source
Photo · William J Dakin · Public domain · commons · source
Text · Wikipedia, “Nyctiphanes” · CC BY-SA 4.0 · revision 1278549922

Elsewhere Wikidata · iNaturalist · GBIF

Wikidata iNaturalist GBIF

The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.

Cite the release, v2026.10.21

Cite the release, v2026.10.21; each dataset's own citation, licence and DOI are on its page. How to cite ↗