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Amphiscapha muricata

Gastropoda - Euomphalina - Euomphalidae

Taxonomy
Straparollus (Euomphalus) muricatus was named by Knight (1934).

It was recombined as Amphiscapha muricata by Yochelson (1956), Mudge et al. (1962) and Wagner (2023).

Synonymy list
YearName and author
1934Straparollus (Euomphalus) muricatus Knight p. 160–161 figs. pl. 21 f. 3a-f; pl. 26 f. 3
1956Amphiscapha muricata Yochelson p. 221 figs. Pl 12, figs 5-8
1962Amphiscapha muricata Mudge et al. p. 92
1995Straparollus (Euomphalus) muricatus Batten p. 8 fig. 4
2023Amphiscapha muricata Wagner p. G6373

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyEuomphalidae
subfamilyEuomphalinae
genusAmphiscapha
speciesmuricata()

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.

†Amphiscapha muricata Knight 1934
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Diagnosis
ReferenceDiagnosis
R. L. Batten 1995Early whorls rounded and slightly depressed below spiral surface. Upper whorl surface flat to gently convexo-concave and terminating at shoulder with a rounded, but sharply bounded carina. Vertical outer whorl face convex to somewhat flattened, indented slightly at bottom of shoulder carina. Whorl base evenly rounded with carina midway between inner suture and periphery. Widely phaneromphalus. Ornament consists of reinforced growth lines.
Measurements
partNmeanminimummaximummedians.d.
shell height35.024.205.705.300.777

Composition: aragoniteg
Composition 2: "calcite"g
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Locomotion: stationaryg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedc
Created: 2004-08-14 22:10:02
Modified: 2010-01-28 10:30:39
Source: g = genus, f = family, c = class
References: Kiessling 2004, Knight et al. 1960

Age range: base of the Morrowan to the top of the Asselian or 323.20000 to 295.50000 Ma

Collections (35 total)


Time interval Ma Country or state Original ID and collection number
Morrowan323.2 - 318.6USA (Texas) Straparollus muricatus (79966)
Pennsylvanian323.2 - 298.9USA (Nebraska) Straparollus muricatus (75182)
Gzhelian303.7 - 298.9USA (Texas) Amphiscapha muricata (105509 121463)
Virgilian303.7 - 298.9USA (Nebraska) Straparollus rugosus (157668)
Virgilian303.7 - 298.9USA (Texas) Amphiscapha muricata (121462)
Noginskian301.2 - 300.1USA (Kansas) Amphiscapha muricata (11530 11535 11560 11566 11591 11616 11618 11620 11644 11676 11677 11683 11695 11700 11717 11768 11774 11948 11953)
Asselian298.9 - 295.5USA (Kansas) Amphiscapha muricata (12302 12393 12427 12429 12433 12437 12438 12440 12441 12442)