Langimage
English

aspidochirota

|as-pi-do-chi-ro-ta|

C2

🇺🇸

/ˌæs.pɪ.doʊ.kɪˈraʊ.tə/

🇬🇧

/ˌæs.pɪ.dəˈkaɪ.rə.tə/

shield‑hand sea cucumbers (historical taxon)

Etymology
Etymology Information

'aspidochirota' originates from New Latin, ultimately from Greek elements 'aspis' meaning 'shield' and 'cheir' meaning 'hand', combined in a taxonomic formation to denote 'shield‑handed' forms.

Historical Evolution

'aspidochirota' was used in older zoological literature (often as 'Aspidochirotida' or similar New Latin endings) to name an order or subgroup of Holothuroidea; later systematic revisions split or redistributed these taxa into other orders and the term fell out of regular use.

Meaning Changes

Initially it literally referenced 'shield‑handed' morphology (tentacles or podia resembling a shielded hand); over time it became a formal taxonomic name for a group of sea cucumbers and has since become mostly an obsolete/classificatory historical term.

Meanings by Part of Speech

Noun 1

a (historical) taxonomic grouping of sea cucumbers (class Holothuroidea), originally used to denote forms with shield‑like (aspid-) tentacular structures; now largely obsolete, with its members redistributed into other orders or clades.

Early 20th century textbooks frequently listed aspidochirota as a major subgroup of sea cucumbers, though modern classifications no longer recognize it as a valid order.

Synonyms

aspidochirotidashield‑handed holothurians

Last updated: 2025/10/31 16:58