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Eoconulus semiregularis

Lingulata - Acrotretida - Eoconulidae

Taxonomy
Eoconulus semiregularis was named by Biernat (1973). Its type specimen is Bp VI/6b, a valve (dorsal valve), and it is a 3D body fossil.

Sister species lacking formal opinion data
E. tucunucoensis

Synonymy list
YearName and author
1973Eoconulus semiregularis Biernat p. 112 figs. pl. 36, figs 1-8.
1994Eoconulus semiregularis Popov et al. pp. 646-648 figs. Plate 6, figures 5-10; Plate 7; Text-figure 6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumLinguliformeaWilliams et al. 1996
classLingulataGorjansky and Popov 1985
orderAcrotretidaKuhn 1949
superfamilyAcrotretoidea
familyEoconulidaeRowell 1965
genusEoconulusCooper 1956
speciessemiregularisBiernat 1973

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.

†Eoconulus semiregularis Biernat 1973
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Diagnosis
ReferenceDiagnosis
L. Popov et al. 1994Shell irregularly subcircular in outline. Dorsal valve usually highly conical. Ventral valve truncatedly cylindrical in profile, with large, flattened to irregularly shaped, or cylindrical attachment scar; ventral interior with well developed apical process directly anterior to pedicle opening.
Measurements
No measurements are available
Composition: phosphatico
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:28:24
Modified: 2009-10-11 14:01:21
Source: o = order, c = class, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Uhaku to the top of the Pirgu or 459.70000 to 445.20000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Uhaku - Lasnamagi459.7 - 459.7Sweden (Västergötland) Eoconulus semiregularis (192023)
Uhaku459.7 - 458.0Sweden (Västergötland) Eoconulus semiregularis (192024 192025)
Uhaku459.7 - 458.0Sweden (Dalarna) Eoconulus semiregularis (157358)
Vormsi449.9 - 449.5Estonia Eoconulus semiregularis (173696 173697 173701 173702)
Pirgu449.5 - 445.2Estonia Eoconulus semiregularis (173703 173704 173705 173706 173707 173708 173709 173710 173711)