|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Atrypida - Atrypinidae
It was recombined as Zygospira (Kuzgunia) parva by Klenina (1984); it was recombined as Schachriomonia parva by Popov et al. (1999), Popov and Cocks (2006) and Popov and Cocks (2014).
|Year||Name and author|
|1956||Zygospira parva Rukavishnikova p. 162 figs. pl. 5, figs 14–16|
|1984||Zygospira (Kuzgunia) parva Klenina p. 114 figs. pl. 11, figs 6–12|
|1984||Zygospira (Kuzgunia) bakanasensis Klenina p. 116 figs. pl. 11, figs 5, 15|
|1999||Schachriomonia parva Popov et al. pp. 635 - 638 figs. pl. 2, figs 1–9, text-figs 5, 6|
|2006||Schachriomonia parva Popov and Cocks p. 280 figs. text-fig. 6I, K.|
|2014||Schachriomonia parva Popov and Cocks p. 749 figs. 19M, 25S–W|
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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.
|L.E. Popov et al. 1999||Schachriomonia with slightly ventribiconvex, sub-circular to slightly transverse sub-oval shell, about 97 per cent. as long as wide and 55 per cent. as thick as long; anterior commissure weakly uniplicate to near rectimarginate; ventral valve moderately and evenly convex; sulcus very narrow and shallow, originating anterior to mid-valve; dorsal valve moderately and evenly convex with a shallow V-shaped sulcus in the umbonal area and a low, inconspicuous median fold originating between the anterior margin and mid-valve; radial ornament of 14–21 costae with one rib in the sulcus and two in the median fold; spiralia with short jugal process and five to seven whorls.|