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Tritrabs

Polycystinea - Spumellaria - Tritrabidae

Taxonomy
Tritrabs was named by Baumgartner (1980) [Sepkoski's age data: J Sine-l K Haut Sepkoski's reference number: 755].

It was assigned to Hagiastridae by Kiessling (1999); to Tritrabidae by Zügel (1997), De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Species
T. casmaliaensis, T. ewingi, T. exotica, T. hayi, T. rhododactylus, T. simplex, T. suavis, T. worzeli
Species lacking formal opinion data
T. casmaliensis, T. ewingi, T. ewingi, T. ewingi, T. imperfecta, T. mexicana, T. suavia, T. trammeri
Entered
by J. Sepkoski on 2003-01-23; modified by M. Broehl on 2013-04-30

Synonymy list
YearName and author
1980Tritrabs Baumgartner
1997Tritrabs Zügel
1999Tritrabs Kiessling
2001Tritrabs De Wever et al. p. 148
2002Tritrabs Sepkoski

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

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 (287 total)

Oldest occurrences

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

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Early/Lower Valanginian137.05 - 132.6Italy T. ewingi (49117 51779 51780 51781 51782 51783 51784 51785 51786 51787 51788)
Late/Upper Valanginian137.05 - 132.6Italy T. ewingi (51703 51704 51705 51706 51707)
Late/Upper Valanginian - Early/Lower Hauterivian137.05 - 125.77Italy T. ewingi (51702)
Early/Lower Valanginian - Early/Lower Barremian137.05 - 121.4Russian Federation (Primorskiy Kray) T. sp. (92825)
Early/Lower Hauterivian132.6 - 125.77Italy T. ewingi (49133 49134 49138 49139 51700 51701)
Late/Upper Hauterivian132.6 - 125.77Italy T. ewingi (49131 49132 49140 49141 49142 49143 49144 51792) T. hayi (51793)
Late/Upper Hauterivian - Early/Lower Barremian132.6 - 121.4Italy T. ewingi (49130)
Early/Lower Barremian125.77 - 121.4Italy T. ewingi (49127 49128 49129 51794 51800 51801 51802 51803 51804 51805)
Late/Upper Barremian125.77 - 121.4Italy T. ewingi (51799)
Late/Upper Barremian - Early/Lower Aptian125.77 - 119.57Italy T. ewingi (51795 51796 51797 51798)