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Ecphora gardnerae Wilson, 1987

Ecphora gardnerae
Ecphora gardnerae

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Neogastropoda
Family: Muricidae
Genus: Ecphora
Species: Ecphora gardnerae Wilson, 1987

Information

Geological Range

Quaternary

Pleistocene

Neogene

Pliocene

Miocene

Paleogeographic Distribution

Maryland

Virginia

North Carolina

South Carolina

Georgia

Florida

Stratigraphic Occurrences

Chowan River Formation
Duplin Formation
Duplin / Raysor Formations
Jackson Bluff Formation
Raysor Formation
Tamiami Formation
Tamiami Formation (Bayshore Clay Member)
Tamiami Formation (Buckingham Limestone)
Tamiami Formation (Murdock Station Member)
Tamiami Formation (Lower)
Yorktown Formation
Goose Creek Formation
Pungo River Formation
St. Marys Formation
Calvert Formation (Plum Point Member)

Remarks

Common name: n/a

Synonymy:

Synonymous with Ecphora quadricostata.

Type specimen, locality, and stratum: n/a

Other voucher specimens: n/a

Descriptions:

Original Description (from Say, 1824, p. 127-129):

“Ovate-ventricose; with a dilated umbilicus, and four much elevated belts, which are more dilated at their tops.

Description. Spire short, the volutions with but two belts, the others being concealed by the succeeding whorls: body whorl with four belts, which are equidistant, much elevated, wider at top than at the junction with the whorl, and with one or two deeply impressed lines; intervening spaces wrinkled, the wrinkles extending over the belts: aperture suboval: canal short and contracted: labrum with a groove corresponding with each of the exterior ribs: umbilicus dilated, large, not visibly penetrating to the inner summit; the exterior margin prominent and deeply dentated.

Varies much in size; the smallest in Mr. Finch’s collection is about three-fifths of an inch wide, another is rather more than one inch in width, and the largest is nearly three inches and three fourths; but a fragment of a still larger one leads me to believe that the species attained to a width of more than four inches. I am unable to state the proportional length, all the specimens having truncated spires. The belts of some young specimens are altogether destitute of the impressed lines.

It seems hardly possible that Lister’s figure 2, of plate 1059, was intended for this shell, although it has certainly a general similarity in the ribbed appearance of the figure, and notwithstanding the locality “a Marylandia,” which is engraved with it, inasmuch as there is not any appearance whatever of an umbilicus, which is so much dilated and so remarkable in the species under consideration.

Lister’s figure is quoted by several authors amongst the synonymes of Buccinum scala, and considered as a variety of that shell, which may perhaps be correct; but in that case the fact of such a shell having been found in Maryland, is at least doubtful. Our shell may be the same with the species which Dillwyn informs us is mentioned in the Portland Catalogue, lot 3516.

A fine specimen of this shell was sent me some time since by Mr. Stephen Elliott of Charleston, who informed me that it was found with other interesting and perfect shells which accompanied it, on the Santee river, a little below the junction of the Congaree and Wateree rivers.”

To access this description in its original formatting through the Biodiversity Heritage Library, click here.

Measurements: n/a

Other remarks:

Stratigraphic notes: St. Marys Formation: Age not resolved beyond “Miocene”.

References: n/a

Online resources: n/a

Page history:

Some of the content on this page was originally published on the Neogene Atlas of Ancient Life on July 21, 2014. It was developed by Jonathan R. Hendricks and colleagues and migrated here in 2026.

This page was last modified on October 28, 2026 by Jonathan R. Hendricks.

Media

Images

Ecphora gardnerae from the Late Pliocene Tamiami Fm. (Lower) of Sarasota County, Florida (UF 137299).
Ecphora gardnerae from the Late Pliocene Tamiami Fm. (Lower) of Sarasota County, Florida (UF 137299).
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3D Models

Ecphora gardnerae (Ecphora quadricostata (PRI 70750))

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