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Stegocoelia
Taxonomy
Murchisonia (Stegocoelia) was named by Donald (1889) [Sepkoski's age data: D Emsi P Djhu Sepkoski's reference number: 109,797,1004].
It was reranked as Stegocoelia by Knight et al. (1960), Nützel and Bandel (2000), Pan and Erwin (2002), Bandel (2002), Sepkoski (2002), Nützel and Pan (2005), Mazaev (2011), Nützel and Ketwetsuriya (2016) and Ketwetsuriya et al. (2020).
It was assigned to Murchisonia by Donald (1889); to Goniasmidae by Nützel and Bandel (2000); to Murchisoniidae by Knight et al. (1960) and Pan and Erwin (2002); to Orthonemidae by Bandel (2002); to Archaeogastropoda by Sepkoski (2002); to Orthonematidae by Mazaev (2011); to Goniasmatinae by Nützel and Pan (2005) and Nützel and Ketwetsuriya (2016); and to Goniasmatidae by Ketwetsuriya et al. (2020).
It was reranked as Stegocoelia by Knight et al. (1960), Nützel and Bandel (2000), Pan and Erwin (2002), Bandel (2002), Sepkoski (2002), Nützel and Pan (2005), Mazaev (2011), Nützel and Ketwetsuriya (2016) and Ketwetsuriya et al. (2020).
It was assigned to Murchisonia by Donald (1889); to Goniasmidae by Nützel and Bandel (2000); to Murchisoniidae by Knight et al. (1960) and Pan and Erwin (2002); to Orthonemidae by Bandel (2002); to Archaeogastropoda by Sepkoski (2002); to Orthonematidae by Mazaev (2011); to Goniasmatinae by Nützel and Pan (2005) and Nützel and Ketwetsuriya (2016); and to Goniasmatidae by Ketwetsuriya et al. (2020).
Subtaxa
S. (Stegocoelia), S. abscisa, S. acuta, S. acutiformis, S. agraciada, S. akasakaensis, S. alta (syn. S. altiformis, S. procera, S. acris), S. arta, S. berestovensis, S. centrosinuata, S. compacta, S. gzheliensis, S. hoffmani, S. kentuckiensis, S. klyazmaensis, S. knighti (syn. S. compactiformis, S. rara), S. korobcheevoensis, S. laschmaensis, S. longissima (syn. Hypergonia gracilis), S. nerinaeformis, S. nodosa, S. okaensis, S. okawensis, S. quadricincta, S. quadricostata, S. quinquecostata, S. samaraensis, S. smithiana, S. turabievoensis, S. variabilis
Synonymy list
Year | Name and author |
---|---|
1889 | Murchisonia (Stegocoelia) Donald p. 623 |
1960 | Stegocoelia Knight et al. p. 293 |
2000 | Stegocoelia Nützel and Bandel |
2002 | Stegocoelia Bandel p. 100 |
2002 | Stegocoelia Pan and Erwin p. 19 |
2002 | Stegocoelia Sepkoski |
2005 | Stegocoelia Nützel and Pan p. 1176 |
2011 | Stegocoelia Mazaev p. 1562 |
2016 | Stegocoelia Nützel and Ketwetsuriya p. 504 |
2020 | Stegocoelia Ketwetsuriya et al. p. 66 |
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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. †Stegocoelia Donald 1889
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Subg. †Stegocoelia (Stegocoelia) Donald 1889
†Stegocoelia abscisa Mazaev 2019
†Stegocoelia acuta Mazaev 2001
†Stegocoelia acutiformis Mazaev 2001
†Stegocoelia agraciada Kues and Batten 2001
†Stegocoelia akasakaensis Nützel and Nakazawa 2012
†Stegocoelia alta Licharev 1975
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Invalid names: Stegocoelia acris Licharev 1975 [synonym], Stegocoelia altiformis Licharev 1975 [synonym], Stegocoelia procera Licharev 1975 [synonym]
†Stegocoelia arta Mazaev 2019
†Stegocoelia berestovensis Zernetskaya 1983
†Stegocoelia centrosinuata Ketwetsuriya et al. 2020
†Stegocoelia compacta Donald 1889
†Stegocoelia gzheliensis Mazaev 2001
†Stegocoelia hoffmani Kues and Batten 2001
†Stegocoelia kentuckiensis Thein and Nitecki 1974
†Stegocoelia klyazmaensis Mazaev 2001
†Stegocoelia knighti Licharev 1975
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Invalid names: Stegocoelia compactiformis Licharev 1975 [synonym], Stegocoelia rara Licharev 1975 [synonym]
†Stegocoelia korobcheevoensis Mazaev 2001
†Stegocoelia laschmaensis Mazaev 2001
†Stegocoelia nerinaeformis Massa et al. 1974
†Stegocoelia nodosa Yoo 1988
†Stegocoelia okaensis Mazaev 2001
†Stegocoelia okawensis Thein and Nitecki 1974
†Stegocoelia quadricincta Winchell 1863
†Stegocoelia quadricostata Chronic 1952
†Stegocoelia quinquecostata Yin 1932
†Stegocoelia samaraensis Mazaev 2020
†Stegocoelia smithiana Donald 1895
†Stegocoelia turabievoensis Mazaev 2001
†Stegocoelia variabilis Donald 1895
Diagnosis
Reference | Diagnosis | |
---|---|---|
J. G. Donald 1889 | Whorls angular, keeled ; sinus wide, situated on the posterior part of the whorl above the angle, umbilicated when young; inner lip reflected on the columella and forming a callosity round the base of the pillar, covering the umbilicus in adult specimens. |