PBDB Taxon

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Eccyliopterus regularis

Gastropoda - Euomphalina - Lesueurillidae

Taxonomy

Eccyliopterus regularis was named by Remelé (1888). It is not a trace fossil.

It was recombined as Ecculiomphalus regularis by Yochelson (1963) and Rohr (1980).

Synonyms

Eccyliopterus princeps was named by Remelé (1888). It is not extant.

It was recombined as Eccyliomphalus princeps by Vostokova (1955); it was recombined as Ecculiomphalus princeps by Yochelson (1963); it was synonymized subjectively with Eccyliopterus regularis by Frisk and Ebbestad (2007).
Eccyliopterus tenuissimus was named by Koken and Perner (1925). It is not extant. Its type locality is Jägala (= Jäga or Jaggowal), which is in a Kunda carbonate limestone in the Loobu Formation of Estonia.

It was recombined as Ecculiomphalus tenuissimus by Yochelson (1963); it was synonymized subjectively with Eccyliopterus regularis by Wagner (2023).
Eccyliopterus tolli was named by Koken (1896). It is not extant.

It was recombined as Lesueurilla tolli by Koken and Perner (1925); it was synonymized subjectively with Eccyliopterus regularis by Wagner (2023).

Synonymy list

Year	Name and author
1843	Eccyliopterus regularis Remele p. 397
1888	Eccyliopterus regularis Remelé p. 667 figs. pl. 28 f. 1a-b
1888	Eccyliopterus princeps Remelé pp. 668 - 669 figs. pl. 28 f. 2a-c
1896	Eccyliopterus tolli Koken
1925	Lesueurilla tolli Koken and Perner pp. 96 - 97 figs. pl. 11 f. 5; pl. 16 f.
1925	Eccyliopterus tenuissimus Koken and Perner p. 101 figs. pl. 16 f. 12
1925	Eccyliopterus princeps Koken and Perner pp. 102 - 103 figs. pl. 10 f. 1, 3, 10; pl. 12 f. 4; pl. 13
1925	Eccyliopterus regularis Koken and Perner pp. 105 – 106 figs. txt. f. 24
1955	Eccyliomphalus princeps Vostokova p. 96 figs. pl. 4 f. 3-4
1963	Ecculiomphalus tenuissimus Yochelson
1963	Ecculiomphalus princeps Yochelson pp. 181 - 182 figs. pl. 5 f. 9-11
1963	Ecculiomphalus regularis Yochelson p. 182
1980	Ecculiomphalus regularis Rohr p. 163
2007	Eccyliopterus regularis Frisk and Ebbestad pp. 93 – 94 figs. 5C-M
2023	Eccyliopterus regularis Wagner p. S777

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda

Rank	Name	Author
subclass	Eogastropoda
order	Euomphalina
superfamily	Euomphaloidea	()
family	Lesueurillidae
subfamily	Lesueurillinae
genus	Eccyliopterus
species	regularis

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.

†Eccyliopterus regularis Remelé 1888

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Invalid names: Eccyliopterus princeps Remelé 1888 [synonym], Eccyliopterus tenuissimus Koken and Perner 1925 [synonym], Eccyliopterus tolli Koken 1896 [synonym]

Diagnosis

Reference	Diagnosis
Å. M. Frisk and J. O. R. Ebbestad 2007	Large, open coiled gastropod. Whorl proﬁle lenticular. Apertural sinus curving strongly adaperturally. Prosocyrt growth lines on whorl change abruptly to opisthocyrt growth lines at base of peripheral band. Peripheral band developed as high vertical to slightly outward inclined frill, where growth lines curve markedly adaperturally and adapically.