Theelia

{{Short description|Extinct genus of sea cucumbers}} {{Automatic taxobox | fossil_range = {{fossil_range|312.0|40.4| Middle Pennsylvanian to Lutetian}} | taxon = Theelia | authority = Schlumberger 1890 | display_parents = 3 | type_species = {{extinct}}''Chirodota undulata'' | type_species_authority = Schlumberger, 1888<ref name="garbowska">{{cite journal|author=Jadwiga Garbowska & Andrzrej Wierzbowski|year=1967|title=Some holothurian sclerites from the Polish Jurassic|journal=Acta Palaeontologica Polonica|volume=12|issue=4|pages=523–541|publisher=Institute of Paleobiology, Polish Academy of Sciences|url=http://www.app.pan.pl/archive/published/app12/app12-523.pdf|accessdate=June 22, 2011 }}</ref> | subdivision_ranks = Species | subdivision_ref = <ref name="paleodb">{{cite web|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=31305|title=''Theelia''|publisher=Paleobiology Database|access-date=June 22, 2011}}</ref> | subdivision = See text | synonyms = * †''Chiridotites'' Deflandre-Rigaud, 1951 }}

'''''Theelia''''' is an extinct genus of sea cucumbers that existed from 312 to 40.4 million years ago (Middle Pennsylvanian to the Lutetian age).<ref name="paleodb"/><ref name="zawidzka">{{cite journal|author=Krystyna Zawidzka|year=1971|title=Triassic holothurian sclerites from Tatra Mountains|journal=Acta Palaeontologica Polonica|volume=16|issue=4|pages=429–450|publisher=Institute of Paleobiology, Polish Academy of Sciences|url=http://app.pan.pl/archive/published/app16/app16-429.pdf|accessdate=June 22, 2011 }}</ref>

Fossil sclerites of ''Theelia'' are found worldwide.<ref name="paleodb"/>

==Taxonomy== Numerous species are assigned to the genus ''Theelia'', they include the following:<ref>{{Cite web|title=Fossilworks: Theelia|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=31305|access-date=2020-10-05|website=fossilworks.org}}</ref><ref>{{Cite web|title=WoRMS - World Register of Marine Species - Theelia Schlumberger, 1890 †|url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=1328761|access-date=2020-10-05|website=www.marinespecies.org}}</ref> {{div col}} * †'''''Theelia alta''''' Speckmann 1968 * †'''''Theelia alveata''''' Mostler and Rahimi-Yazd 1976 * †'''''Theelia anguinea''''' Mostler 1971 * †'''''Theelia conglobata''''' Mostler 1971 * †'''''Theelia convexa''''' Whidborne 1883 * †'''''Theelia crassidentata''''' Deflandre-Rigaud 1950 * †'''''Theelia dentata''''' Górka and Luszczewska 1969 * †'''''Theelia doreckae''''' Kozur and Mostler 1971 * †'''''Theelia dzhulfaensis''''' Mostler and Rahimi-Yazd 1976 * †'''''Theelia fastigata''''' Mostler 1972 * †'''''Theelia fissa''''' Mostler 1971 * †'''''Theelia florida''''' Frizzell and Exline 1955 * †'''''Theelia guembeli''''' Kristan-Tollmann 1963 * †'''''Theelia heptalampra''''' (Bartenstein, 1936) * †'''''Theelia hexacneme''''' Summerson and Campbell 1958 * †'''''Theelia immisorbicula''''' Mostler 1968 * †'''''Theelia koeveskalensis''''' Kozur and Mostler 1971 * †'''''Theelia kutscheri''''' Reich, 2003 * †'''''Theelia lanceolata''''' (Schlumberger, 1890) * †'''''Theelia lata''''' Kozur and Mostler 1971 * †'''''Theelia latimarginata''''' Mostler 1971 * †'''''Theelia liptovskaensis''''' Gazdzicki et al. 1978 * †'''''Theelia mesopermiana''''' Kozur and Mostler 1989 * †'''''Theelia monicae''''' Mostler and Rahimi-Yazd 1976 * †'''''Theelia mortenseni''''' (Deflandre-Rigaud, 1951) * †'''''Theelia multiplex''''' Speckmann 1968 * †'''''Theelia norica''''' Mostler 1969 * †'''''Theelia petasiformis''''' Kristan-Tolmann 1964 * †'''''Theelia planata''''' Mostler 1968 * †'''''Theelia polydenticulata''''' Mostler and Parwin 1973 * †'''''Theelia praeacuta''''' Mostler and Rahimi-Yazd 1976 * †'''''Theelia praenorica''''' Kozur and Mock 1972 * †'''''Theelia praeseniradiata''''' Kozur and Mock 1972 * †'''''Theelia pseudoplanata''''' Kozur and Mock 1972 * †'''''Theelia seniradiata''''' Zankl 1966 * †'''''Theelia serta''''' Speckmann 1968 * †'''''Theelia sinaiensis''''' Said and Barakat 1958 * †'''''Theelia speciosa''''' (Deflandre-Rigaud, 1946) * †'''''Theelia staurolithensis''''' Kristan-Tolmann 1972 * †'''''Theelia stellifera''''' Zankl 1966 * †'''''Theelia synapta''''' Gilliland 1992 * †'''''Theelia teneromarginata''''' Mostler 1971 * †'''''Theelia terquemi''''' (Deflandre-Rigaud, 1951) * †'''''Theelia trammeri''''' Gazdzicki et al. 1978 * †'''''Theelia undata''''' Mostler 1968 * †'''''Theelia undulata''''' (Schlumberger, 1890) * †'''''Theelia variabilis''''' Zankl 1966 * †'''''Theelia wartensis''''' Garbowska and Wierzbowski 1967 * †'''''Theelia zawidzkae''''' Kozur and Mock 1972 {{div col end}}

==References== {{Reflist}}

Category:Chiridotidae Category:Prehistoric sea cucumber genera Category:Pennsylvanian first appearances Category:Lutetian extinctions