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Pelagiella
Taxonomy
Pelagiella was named by Matthew (1895) [Sepkoski's age data: Cm Atda-u Cm Fran-u Sepkoski's reference number: 270,580]. Its type is Cyrtolites atlantoides. It is the type genus of Pelagiellidae.
It was assigned to Cyrtonellida by Bengtson (1992); to Pelagiellida by Sepkoski (2002); to Helcionellidae by Gubanov et al. (2004) and Wotte (2006); and to Pelagiellidae by Knight (1952), Knight et al. (1960), Runnegar and Jell (1976), Linsley and Kier (1984), Missarzhevsky (1989), Brock and Cooper (1993), Parkhaev (2001), Landing et al. (2002), Parkhaev (2002), Parkhaev (2004), Bouchet et al. (2005), Kouchinsky et al. (2011), Thomas et al. (2020) and Wagner (2023).
It was assigned to Cyrtonellida by Bengtson (1992); to Pelagiellida by Sepkoski (2002); to Helcionellidae by Gubanov et al. (2004) and Wotte (2006); and to Pelagiellidae by Knight (1952), Knight et al. (1960), Runnegar and Jell (1976), Linsley and Kier (1984), Missarzhevsky (1989), Brock and Cooper (1993), Parkhaev (2001), Landing et al. (2002), Parkhaev (2002), Parkhaev (2004), Bouchet et al. (2005), Kouchinsky et al. (2011), Thomas et al. (2020) and Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Pelagiella Matthew |
| 1939 | Protoscaevogyra Kobayashi |
| 1952 | Pelagiella Knight |
| 1960 | Pelagiella Knight et al. p. 323 |
| 1962 | Protoscaevogyra Kobayashi p. 17 |
| 1976 | Pelagiella Runnegar and Jell p. 133 |
| 1976 | Protoscaevogyra Runnegar and Jell p. 134 |
| 1984 | Pelagiella Linsley and Kier |
| 1984 | Protoscaevogyra Linsley and Kier |
| 1985 | Auriculaspira Pei p. 395 |
| 1989 | Pelagiella Missarzhevsky p. 182 |
| 1992 | Auriculaspira Bengtson p. 1026 |
| 1992 | Pelagiella Bengtson p. 1027 |
| 1993 | Pelagiella Brock and Cooper p. 778 |
| 2001 | Pelagiella Parkhaev p. 191 |
| 2002 | Pelagiella Landing et al. p. 299 |
| 2002 | Pelagiella Parkhaev p. 37 |
| 2002 | Pelagiella Sepkoski |
| 2002 | Protoscaevogyra Sepkoski |
| 2004 | Pelagiella Gubanov et al. |
| 2004 | Pelagiella Parkhaev p. 603 |
| 2005 | Pelagiella Bouchet et al. p. 128 |
| 2005 | Protoscaevogyra Bouchet et al. pp. 142, 241 |
| 2006 | Pelagiella Wotte p. 151 |
| 2011 | Pelagiella Kouchinsky et al. p. 135 |
| 2020 | Pelagiella Thomas et al. p. 618 |
| 2023 | Pelagiella Wagner p. G |
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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. †Pelagiella Matthew 1895
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†Pelagiella adunca He et al. 1984
†Pelagiella asymmetrica Ermak and Pelman 1986
†Pelagiella atlantoides Mathews 1894
†Pelagiella atlasensis Geyer 1986
†Pelagiella bentica Ermak and Pelman 1986
†Pelagiella broeggeri Grönwall 1902
†Pelagiella corinthiana Runnegar and Jell 1976
†Pelagiella crassa Geyer 1986
†Pelagiella deltoides Runnegar and Jell 1976
†Pelagiella escayachensis Kobayashi 1937
†Pelagiella exigua Resser and Howell 1938
†Pelagiella lorenzi Kobayashi 1939
†Pelagiella madianensis Zhou and Xiao 1984
†Pelagiella primaeva Billings 1872
†Pelagiella serpentis Ermak and Pelman 1986
Invalid names: Auriculaspira Zhou and Xiao 1984 [synonym], Protoscaevogyra Kobayashi 1939 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Kouchinsky et al. 2011 | "Shell dextral, composed of 1–2 rapidly expanding whorls. The spiral surface is flattened, slightly convex or depressed. The aperture is simple, in some cases having a rather prominent auricle." |