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Arjamannia woodlandi

Gastropoda - Murchisoniina - Lophospiridae

Taxonomy
Lophospira woodlandi was named by Longstaff (1924). Its type specimen is G. 25388, a shell, and it is a 3D body fossil. Its type locality is Locality 7: Woodland Point, 430 meters west of Woodland farm (section only exposed at low-tide), which is in a Rhuddanian marine limestone in the Saugh Hill Grits Formation of the United Kingdom.

It was recombined as Arjamannia woodlandi by Peel (1975), Peel (1977), Wagner (1999) and Wagner (2023).

Synonymy list
YearName and author
1924Lophospira woodlandi Longstaff p. 418 figs. pl. 33 f. 7a-b
1939Lophospira woodlandi Pitcher pp. 88 - 89 figs. pl. 2 f. 1-4
1975Arjamannia woodlandi Peel p. 390 figs. pl. 53 f. 14-15
1977Arjamannia woodlandi Peel p. 26
1999Arjamannia woodlandi Wagner pp. 26 - 28
2023Arjamannia woodlandi Wagner p. 1270

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyTrochonematoidea()
familyLophospiridae
genusArjamannia
specieswoodlandi()

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.

†Arjamannia woodlandi Longstaff 1924
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Diagnosis
ReferenceDiagnosis
J. D. Longstaff 1924Shell rather large, turreted. Whorls about five, angular above the middle of the body-whorl, and below in the whorls of the spire, excavated above, almost vertical below; a strong ridge exists between the upper suture and the angle, and another ridge between it and the lower suture. Band on the angle prominent, composed of a thick central keel, with a finer one on each side. Lines of growth coarse, curving back to the band above and forward below with a moderate degree of obliquity, crossed and reticulated on the base by strong spiral threads. Base convex, somewhat produced. Aperture imperfectly known.