|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Goniasmatidae
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) and Nützel and Ketwetsuriya (2016).
It was assigned to Murchisonia by Donald (1889); to Goniasmidae by Nützel and Bandel (2000); to Orthonemidae by Bandel (2002); to Archaeogastropoda by Sepkoski (2002); to Murchisoniidae by Knight et al. (1960) and Pan and Erwin (2002); and to Goniasmatinae by Nützel and Pan (2005) and Nützel and Ketwetsuriya (2016).
|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, Jr.|
|2005||Stegocoelia Nützel and Pan p. 1176|
|2016||Stegocoelia Nützel and Ketwetsuriya p. 504|
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|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.|