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Tritrabidae

Polycystinea - Spumellaria - Tritrabidae

Taxonomy
Tritrabidae was named by Baumgartner (1980).

It was assigned to Pyloniacea by Zügel (1997); and to Spumellaria by De Wever et al. (2001).

Synonymy list
YearName and author
1980Tritrabidae Baumgartner
1997Tritrabidae Zügel
2001Tritrabidae De Wever et al. p. 146

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
superphylumRetariaCavalier-Smith 1999
phylumRadiozoa
superclassPolycystinia
RankNameAuthor
classPolycystinea
orderSpumellariaEhrenberg 1875
familyTritrabidaeBaumgartner 1980
familyTritrabidaeBaumgartner 1980

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Tritrabidae Baumgartner 1980
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G. †Archaeotritrabs Steiger 1992
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†Archaeotritrabs gracilis Steiger 1992
†Archaeotritrabs hattorii Gorican et al. 2006
G. †Ditrabs Baumgartner 1980
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†Ditrabs osteosa Jud 1994
G. †Neoparonaella Yang 1993
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Invalid names: Neoparonaella chocoyaensis Hull 1997 [synonym], Neoparonaella volatica Hull 1997 [synonym]
G. †Tritrabs Baumgartner 1980
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†Tritrabs casmaliaensis Pessagno 1977
†Tritrabs ewingi Pessagno 1977
†Tritrabs exotica Pessagno 1977
†Tritrabs hayi Pessagno 1977
†Tritrabs rhododactylus Baumgartner 1980
†Tritrabs simplex Kito and De Wever 1992
†Tritrabs suavis Hull 1997
†Tritrabs worzeli Pessagno 1971
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Carnian to the top of the Late/Upper Barremian or 237.00000 to 121.40000 Ma

Collections (309 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Carnian - Norian237.0 - 205.7Oman Tritrabs trammeri (125387)
Late/Upper Triassic237.0 - 201.4Hungary Tritrabs sp. (153387)
Middle Toarcian - Aalenian182.9 - 170.9Japan Tritrabs spp. (124896)
Aalenian174.7 - 170.9China (Tibet) Tritrabs simplex (51617)
Early/Lower Aalenian174.7 - 170.9Germany Tritrabs sp. (59493 59495 59496 59497)
Early/Lower Aalenian - Middle Aalenian174.7 - 170.9Japan Tritrabs sp. A1, Tritrabs simplex (51711)
Late/Upper Aalenian174.7 - 170.9Japan Tritrabs simplex (54166) Tritrabs sp. D, Tritrabs sp. E, Tritrabs hayi, Tritrabs simplex (51712)
Late/Upper Aalenian174.7 - 170.9Japan (Kochi) Tritrabs sp. SY01, Tritrabs sp. SY02, Tritrabs simplex (66916)
Aalenian - Bajocian174.7 - 168.2India (Jammu and Kashmir) Tritrabs simplex (131359)
Early/Lower Bajocian170.9 - 168.6Japan Tritrabs simplex (51713)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Late/Upper Valanginian - Early/Lower Hauterivian137.05 - 125.77Italy Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs ewingi (51702)
Early/Lower Valanginian - Early/Lower Barremian137.05 - 121.4Russian Federation (Primorskiy Kray) Tritrabs sp. (92825)
Early/Lower Hauterivian132.6 - 125.77Oman Archaeotritrabs gracilis (125358)
Early/Lower Hauterivian132.6 - 125.77Italy Ditrabs sansalvadorensis, Archaeotritrabs gracilis (51698 51699) Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs ewingi (49138 49139 51700 51701) Ditrabs sansalvadorensis, Tritrabs ewingi (49133 49134)
Late/Upper Hauterivian132.6 - 125.77Italy Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs ewingi (49131 49140 49141 49142 49143 49144 51792) Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs hayi (51793) Ditrabs sansalvadorensis, Tritrabs ewingi (49132)
Late/Upper Hauterivian - Barremian132.6 - 121.4Italy Ditrabs sansalvadorensis, Archaeotritrabs gracilis (51696 51697)
Late/Upper Hauterivian - Early/Lower Barremian132.6 - 121.4Italy Archaeotritrabs gracilis, Tritrabs ewingi (49130)
Early/Lower Barremian125.77 - 121.4Italy Archaeotritrabs gracilis, Tritrabs ewingi (49128 49129) Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs ewingi (51794 51800 51801 51802 51803 51804 51805) Tritrabs ewingi (49127)
Late/Upper Barremian125.77 - 121.4Italy Ditrabs sansalvadorensis, Archaeotritrabs gracilis, Tritrabs ewingi (51799)
Late/Upper Barremian - Early/Lower Aptian125.77 - 119.57Italy Ditrabs sansalvadorensis, Tritrabs ewingi (51798) Tritrabs ewingi (51795 51796 51797)