| Sediliopsis gracilis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Pseudomelatomidae |
| Genus: | Sediliopsis |
| Species: | S. gracilis |
| Binomial name | |
| Sediliopsis gracilis (Conrad, 1830) | |
| Synonyms | |
† Pleurotoma gracilisConrad, 1830 | |
Sediliopsis gracilis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. [1]
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Fossils of this species were found in Miocene strata of Maryland, USA; age range: 11.608 to 5.332 Ma.
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Ecphora is the common name for a group of extinct predatory marine gastropod mollusks within the family Muricidae, the rocks snails or murexes. The common name is based on the first officially described genus, Ecphora. The entire lineage of these ocenebrinid murexes are descended from the Eocene murex, Tritonopsis. Ecphoras are indigenous to the North American Eastern Seaboard, being found in marine strata from the Late Eocene until their extinction during the Pliocene. Many ecphora species are important index fossils.
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