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Euchitonia

Polycystinea - Spumellaria - Spongodiscidae

Taxonomy
Euchitonia was named by Ehrenberg (1860) [Sepkoski's age data: K Albi-m R]. It is extant. Its type is Euchitonia furcata.

It was assigned to Spongodiscidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).

Species
E. furcata (type species), E. muelleri, E. santonica, E. triradiata, E. virchowii
Species lacking formal opinion data
E. elegans-furcata, E. furcata
Entered
by J. Sepkoski on 2003-01-23; modified by B. Allen on 2024-03-21

Synonymy list
YearName and author
1860Euchitonia Ehrenberg
2001Euchitonia De Wever et al. p. 158
2002Euchitonia Sepkoski

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
superphylumRetariaCavalier-Smith 1999
phylumRadiozoa
superclassPolycystinia
RankNameAuthor
classPolycystinea
orderSpumellariaEhrenberg 1875
familySpongodiscidaeHaeckel 1862
genusEuchitoniaEhrenberg 1860

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. Euchitonia Ehrenberg 1860
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Euchitonia furcata Ehrenberg 1873
Euchitonia muelleri Haeckel 1862
†Euchitonia santonica Lipman 1952
†Euchitonia triradiata Lipman 1960
Euchitonia virchowii Haeckel 1862
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range

Maximum range based only on fossils: base of the Coniacian to the top of the Late/Upper Pleistocene or 89.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 85.7 Ma

Collections (64 total)


Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 85.7Russian Federation (Vladimir) E. santonica (95993)
Late/Upper Coniacian89.8 - 85.7Germany (Bayern) E. santonica (95842)
Late/Upper Coniacian - Early/Lower Santonian89.8 - 83.6Russian Federation (Moskovskaya Oblast) E. santonica, E. triradiata (95980)
Early/Lower Santonian85.7 - 83.6Russian Federation (Moskovskaya Oblast) E. santonica (95977)
Late/Upper Santonian85.7 - 83.6Germany (Bayern) E. santonica (95841)
Santonian85.7 - 83.6Russian Federation (Volgograd) E. santonica (95166)
Santonian85.7 - 83.6Russian Federation (Tambov) E. santonica (95160 95161 95162)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Vladimir) E. santonica (95986)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Tambov) E. santonica (95159)
Santonian - Early/Lower Campanian85.7 - 72.2Russian Federation (Oryol) E. santonica (95163)
Miocene23.04 - 5.333North Pacific E. sp. (266893 266894 266895 266896)
Miocene - Pliocene23.04 - 2.58North Pacific E. elegans-furcata (257601)
Early/Lower Pleistocene2.58 - 0.774Indian Ocean E. elegans-furcata (248688 252859)
Pleistocene2.58 - 0.0117North Pacific E. elegans-furcata (248425 248426 248430 253647 253648 253649 253650) E. furcata (250978 250980 250988 250991 250992 250993) E. sp. (264862)
Actinocyclus oculatus2.0 - 1.1North Pacific E. furcata (250536)
NN191.9 - 0.42North Pacific E. furcata (252907 252908 252944)
Matuyama0.99 - 0.773North Pacific E. sp. (265534)
Middle Pleistocene0.774 - 0.129Japan Amphirhopalum virchowii, Dictyocoryne muelleri (233640 233708 233709 233710 233711) Dictyocoryne muelleri (233712)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117Japan Dictyocoryne muelleri (233713)
NN200.42 - 0.29North Pacific E. furcata (257521 257522 257523 257524 257525 257526 259778)
NN210.29 - 0.0North Pacific E. furcata (257511 257513 257518 257520 259772 259774 259775 259777)
Late/Upper Pleistocene0.129 - 0.0117Japan Dictyocoryne muelleri (233714)
Late/Upper Pleistocene0.129 - 0.0117North Pacific E. elegans-furcata (255100 255101 255102)