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Sericoidea restricta

Strophomenata - Strophomenida - Aegiromenidae

Leptaena sericea restricta was named by Hadding (1913). It is the type subspecies of Sericoidea.

It was recombined as Sowerbyella restricta by Hede (1951); it was recombined as Sericoidea restricta by Lindström (1953) and Candela (2011).

Synonymy list
YearName and author
1913Leptaena sericea restricta Hadding p. 62 figs. pl. 5, figs 29–32, ?33
1951Sowerbyella restricta Hede pp. 10, 69, table 4, 6.
1953Sericoidea restricta Lindström p. 135 figs. pl. 1, figs 4–6
2011Sericoidea restricta Candela pp. 510 - 511 fig. 6A–F

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phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familyAegiromenidae(Havlicek 1961)
genusSericoideaLindström 1953
speciesrestricta(Hadding 1913)

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.

Y. Candela 2011Ornament unequally parvicostellate, with 14–15 costellae per mm at the 2 mm growth stage; five stronger costellae develop from the protegulal node; four stronger costellae per mm at the anterior commissure. Protegulal node 0.40 mm long and 0.50 mm wide. Dorsal interior with anterior end of the median septum extending for 30% of valve length; septule signature one ms + one sms; no septules developed laterally from the submedian septa; proximal row of septules developed at 60% of valve length with up to three irregular pairs of septules; extra septules developed anteromedially at 80% of valve length.