Amusium papyraceum

For Euvola marensis, see paper scallop.

Amusium papyraceum
Temporal range: Miocene
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Pectinida
Family: Pectinidae
Genus: Amusium
Species:
†A. papyraceum
Binomial name
†Amusium papyraceum
(Gabb, 1873)
Synonyms[1]
  • Pleuronectia papyracea Gabb, 1873 (basionym)
  • Amussium papyraceum (Gabb, 1873)

Amusium papyraceum is an extinct species of scallop from the family Pectinidae, recovered from deposits in the Dominican Republic.[2][1]

Gabb described the holotype's shell morphology as "discoidal, sub-circular, very slightly longer than wide". The two valves were slightly asymmetrical (inequivalve), with the "ears" nearly equal. Its surface ranges from "perfectly smooth" to marked by very faint growthlines, with the internal surface marked by small double radiating ribs. The holotype's length from beak to base is 2.2 in (56 mm), and its width is 2 in (51 mm);[2] it is deposited at the Academy of Natural Sciences of Philadelphia (ANSP).[3]

Apart from the Dominican Republic,[4] it is also recorded throughout the Caribbean Basin.[1]

Confusingly, various sources consider this species to be extant: fishery surveys have listed catches of A. papyraceum in the Gulf of Mexico,[5][6][7] where it is listed with the common name paper scallop.[8][9][10]

The following cladogram is based on a 2011 study of nuclear Histone H3, mitochondrial 12S rRNA, and 16S rRNA gene fragments as well as the nuclear gene region 28S rRNA, which produced a Bayesian Inference majority-rule consensus phylogenetic tree:[11]

Nodipecten subnodosus

References

  1. ^ a b c Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O (eds.). "Amusium papyraceum (Gabb, 1873) †". MolluscaBase. World Register of Marine Species. Retrieved 2026-01-30.
  2. ^ a b Gabb, W. M. (1873). "On the topography and geology of Santo Domingo". Transactions of the American Philosophical Society. New Series. 15 (1): 257. Retrieved 30 January 2026.
  3. ^ "Amusium papyraceum Bivalvia - Pectinida - Pectinidae". paleobiodb.org. The Paleobiology Database. Retrieved 30 January 2026.
  4. ^ Waller, Thomas R. (July 2011). "NEOGENE PALEONTOLOGY OF THE NORTHERN DOMINICAN REPUBLIC. 24. PROPEAMUSSIIDAE AND PECTINIDAE (MOLLUSCA: BIVALVIA: PECTINOIDEA) OF THE CIBAO VALLEY". Bulletins of American Paleontology. 381. ISSN 0007-5779.
  5. ^ Torruco, Daniel; a. Chávez, Ernesto; González, Alicia (1 June 2007). "Spatio-temporal variation of the structural organization of demersal communities in the Southwestern Gulf of Mexico". Revista de Biología Tropical. 55 (2): 509–536. doi:10.15517/rbt.v55i2.6028. PMID 19069763. Retrieved 30 January 2026.
  6. ^ "Fishery-independent Bottom Trawi Surveys for Deep-water Fishes and invertebrates of the U.S. Guif of Mexico, 2002-08". Marine Fisheries Review. 72 (4). 1 December 2010.
  7. ^ Rubio-Polania, J.; Torruco-Gómez, D.; González-Solís, A.; Rodríguez-Canul, R.; Améndola-Pimenta, M.; Mariño-Tapia, I.; Herrera-Silveira, J.; Árcega-Cabrera, F.; Ceja-Moreno, V.; Romo-Alvarado, J.; Lizarraga-Castro, I.; Gutiérrez-Solís, C. (2022). "Megabenthic communities distributed in the outer margins of the Yucatan shelf and their relationship to environmental variables". Marine Biology Research. 18 (1–2): 79–103. Bibcode:2022MBioR..18...79R. doi:10.1080/17451000.2022.2086699.
  8. ^ "Paper Scallop". fws.gov. United States Fish & Wildlife Service. Retrieved 30 January 2026.
  9. ^ "Amusium papyraceum (Gabb, 1873) Paper scallop". sealifebase.se. SeaLifeBase. Retrieved 30 January 2026.
  10. ^ "Amusium papyraceum (Gabb, 1873)". gbif.org. Global Biodiversity Information Facility. Retrieved 30 January 2026.
  11. ^ Alejandrino, Alvin; Puslednik, Louise; Serb, Jeanne M. (14 June 2011). "Convergent and parallel evolution in life habit of the scallops (Bivalvia: Pectinidae)" (PDF). BMC Evolutionary Biology. 11 (164) 164. Bibcode:2011BMCEE..11..164A. doi:10.1186/1471-2148-11-164. PMC 3129317. PMID 21672233. Retrieved 24 January 2026.
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