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Archaeocyatha - Ajacicyathida - Densocyathidae

Leptosocyathus is a genus. It is not extant.

It was assigned to Ajacicyathida by Sepkoski (2002); and to Densocyathidae by Debrenne et al. (2015).

Species lacking formal opinion data

Synonymy list
YearName and author
2002Halysicyathus Sepkoski
2002Leptosocyathus Sepkoski
2015Leptosocyathus Debrenne et al. p. 940

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phylumPoriferaGrant 1836
classArchaeocyatha(Vologdin 1937)
superfamilyBronchocyathoideaBedford and Bedford 1936
familyDensocyathidaeVologdin 1937

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.

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Invalid names: Halysicyathus [synonym]
No diagnoses are available
No measurements are available
Locomotion: stationaryp
Attached: yesp
Life habit: intermediate-level epifaunalp
Diet: suspension feederp
Vision: blindp
Created: 2009-05-09 19:07:07
Modified: 2009-10-06 09:36:25
Source: p = phylum
References: Kiessling 2004, Bambach et al. 2007

Age range: base of the Atdabanian to the top of the Lenian or 520.00000 to 513.00000 Ma

Collections (39 total)

Time interval Ma Country or state Original ID and collection number
Atdabanian520.0 - 516.0Russian Federation (Yakutiya) L. polyseptus (81201 81203 81204) L. sp. (81205 81216 81217) L. sp., L. polyseptus (81195)
Atdabanian520.0 - 516.0Mongolia L. sp. (45947)
Atdabanian520.0 - 516.0Russian Federation (Khakasiya) L. sp. (81311 81327 81328)
Atdabanian520.0 - 516.0Spain (Cataluna) L. sp., Halysicyathus pirenaicus (81294)
Atdabanian520.0 - 516.0Spain (Córdoba) L. sp. (78585)
Atdabanian520.0 - 516.0Russian Federation (Tuva) L. elogantus (51432) L. sp. (81247)
Atdabanian520.0 - 516.0Russian Federation (Yakutia) L. polyseptus (174242)
Atdabanian520.0 - 516.0Russian Federation (Kemorovo) L. curviseptatus (56748) L. curviseptatus, L. sp. (56751) L. mirus (56758) L. sp. (56750 56759)
Atdabanian - Botomian520.0 - 513.0Russian Federation (Krasnoyarskiy Kray) L. sp. (81335)
Atdabanian - Botomian520.0 - 513.0Spain (Cataluna) Halysicyathus pirenaicus (81293)
Atdabanian - Botomian520.0 - 513.0Mongolia L. sp. (22940)
Atdabanian - Lenian520.0 - 513.0Mongolia L. sp. (45946)
Botomian516.0 - 513.0Australia (South Australia) L. sp. (81016)
Botomian516.0 - 513.0Russian Federation (Tuva) L. solidus (81482) L. sp. (81480)
Botomian516.0 - 513.0China (Shaanxi) L. sp. (51460)
Botomian516.0 - 513.0Russian Federation (Khakasiya) L. curviseptatus (81460) L. sp. (81325 81448)
Botomian516.0 - 513.0Russian Federation (Kemorovo) L. sp., L. mirus (56760)
Botomian516.0 - 513.0Morocco Halysicyathus multifurcus (99163)
Botomian516.0 - 513.0Antarctica L. sp. (62871)
Lenian516.0 - 513.0Mongolia L. mirus (45949) L. sp. (45951)
Lenian516.0 - 513.0Russian Federation (Primorye) L. spasskiensis (81071)
Lenian516.0 - 513.0Kyrgyzstan L. sp. (81268)