Species · accepted · checked 2026-08-05
Hansarsia difficilis
WoRMS 1649784key worms:1649784
- 20,972
- observations
- 6,963
- sampling events
- 1951–2019
- years
- 1
- datasets
- juvenile · furcilia · calyptopis · adult · furcilia F1 · furcilia F2 · calyptopis C3 · calyptopis C2 · furcilia F3 · calyptopis C1 · damaged · larvae · metanauplius
- life stages
Observed in
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name used: Nematoscelis difficilis · code
15synonym
One row per dataset, one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.
Ways in
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Explorermaps, sections and time series of this taxon — opens prefilledhttps://calcofi.io/explore/?taxon=worms:1649784
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db-querySQL in your browser — the shell opens with this queryhttps://calcofi.io/db-query/?sql=SELECT+%2A+FROM+__TBL%3Aobs_bio__+WHERE+taxon_key+%3D+%27worms%3A1649784%27+LIMIT+100%3B
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ERDDAPCalCOFI's own server, the Euphausiids (Krill) table constrained to this taxonhttps://erddap.calcofi.io/erddap/tabledap/cce-lter_euphausiids.html?&taxon_key=%22worms:1649784%22
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R
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:1649784")
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Python
import calcofi4py as cc con = cc.cc_get_db() con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:1649784'").df()
This page as data
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JSONthis taxon's entry of the release record, verbatimhttps://calcofi.io/species/worms-1649784.json
Read from taxa.json of release v2026.09.06, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.