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Acervoschwagerina

Schwagerinidae

Taxonomy
Paraschwagerina (Acervoschwagerina) was named by Hanzawa (1949) [Sepkoski's age data: P Sakm-l P Leon-m Sepkoski's reference number: 145].

It was Pseudoschwagerina (Acervoschwagerina) by Yabe (1964); it was reranked as Acervoschwagerina by Davydov (1996), Sepkoski (2002), Kobayashi (2005).

It was assigned to Paraschwagerina by Hanzawa (1949); to Pseudoschwagerina by Yabe (1964); to Schwagerininae by Davydov (1996); to Foraminiferida by Sepkoski (2002); and to Schwagerinidae by Kobayashi (2005).

Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2025-06-26

Synonymy list
YearName and author
1949Paraschwagerina (Acervoschwagerina) Hanzawa
1964Pseudoschwagerina (Acervoschwagerina) Yabe
1996Acervoschwagerina Davydov p. 229
2002Acervoschwagerina Sepkoski
2005Acervoschwagerina Kobayashi p. 427

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderFusulinina(Wedekind 1937)
RankNameAuthor
superfamilyFusulinoidea(Möller 1878)
familySchwagerinidaeDunbar and Henbest 1930
genusAcervoschwagerina(Hanzawa 1949)

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. †Acervoschwagerina Hanzawa 1949
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Acervoschwagerina endoi Hanzawa 1949
Acervoschwagerina maclayi Davydov 1996
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitesubo
Environment: marinesuperf
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2026-03-24 16:11:43
Modified: 2026-03-24 16:11:43
Source: superf = superfamily, subo = suborder, o = order
References: Kiessling 2004, Loeblich and Tappan 1984, Ueno 2022

Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Sakmarian293.52 - 290.1Japan Paraschwagerina sp. (197662)
Artinskian290.1 - 283.3Japan A. endoi, A. kagemoriensis (129092)
Artinskian290.1 - 283.3Russian Federation A. endoi, A. maclayi (193084 193085)