Testudines

turtles

Orderaccepted · checked 2026-08-05WoRMS 2689ITIS 173749key worms:2689

2026-08-05: itis_id 173749 via WoRMS external link

Turtles are reptiles characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira and Cryptodira, which differ in the way the head retracts.W CalCOFI holds 32 observations of it in 1 dataset between 1996 and 2019, across 3 taxa under it.R

32
observations: 32
records: 1996–2019
years: 1
datasets: 3
species under it

Photo · Roy Lowry · CC BY 4.0 · inat

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:2689")

Read from taxa.json of release v2026.10.19, 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

sO Cryptodira32

Lineage 7 ranks · Biota to Reptilia

Credits silhouette · photo · text

Silhouette · Scott Hartman · CC BY-NC-SA 3.0 · PhyloPic, drawn from Adocus · source
Photo · Roy Lowry · CC BY 4.0 · inat · source
Text · Wikipedia, “Turtle” · CC BY-SA 4.0 · revision 1373949089

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, v2026.10.19

Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗