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Leptaena (Ygdrasilomena) roomusoksi

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena (Ygdrasilomena) roomusoksi was named by Cocks (2005). Its type specimen is RMS Br 102778 (conjoined valves) and is not a trace fossil. Its type locality is Osmundsberget Quarry, Boda Limestone Fm., which is in a Katian/Hirnantian reef, buildup or bioherm limestone in the Boda Limestone Formation of Sweden. It is the type species of Leptaena (Ygdrasilomena).

Sister species lacking formal opinion data
L. dicax, L. ingrica

Synonymy list
YearName and author
2005Leptaena (Ygdrasilomena) roomusoksi Cocks pp. 260-262 figs. Pl. 5, figs 13–21, Pl. 6, figs 1–7, ?fig

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyRafinesquinidaeSchuchert 1893
subfamilyLeptaeninaeHall and Clarke 1894
genusLeptaenaDalman 1828
subgenusYgdrasilomena
speciesroomusoksi

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.

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Diagnosis
No diagnoses are available