PECTINIDAE Rafinesque, 1815

Coan, Eugene V., Pacaud, Jean-Michel & Kabat, Alan R., 2024, Gérard-Paul Deshayes (1796 - 1875) and his taxa, Geodiversitas 46 (16), pp. 553-930 : 714-716

Family PECTINIDAE Rafinesque, 1815

breviauritus, Pecten –Deshayes, 1830-DescrCoqFoss: 303-304, 21, pl. 41, figs 16-17; 1832-EncyMeth: 719; 1836-HistNatAnim2: 164; 1843-HistNatAnim3: 63; 1860-DescrCoqFoss: 83, pl. 79, figs 1-3; 1861-DescrCoqFoss: 74-75. — Type locality: Saint-Martin-au- Bois. — Type age:Paleocene (Thanetian). Pseudamussium breviauritum (Deshayes, 1830) ( Glibert & Van de Poel 1965b: 35) . — Current status: Palliolum breviauritum (Deshayes, 1830) ( Le Renard & Pacaud 1995: 84; Leroy et al. 2014: 27, pl. 8, figs 9-11).

elegantissimus, Pecten – Deshayes, 1863: 32-33, pl. 4, figs 11-12. — Type locality: La Réunion. — Type age: Recent. — Type species

(OD) of Glorichlamys Dijkstra, 1991 . — Current status: Glorichlamys elegantissima (Deshayes, 1863) ( Raines & Poppe 2006: 116, pl. 68, figs 1-3, 6-7; Raines, in Poppe 2010: 606, pl. 994, figs 5-6; Huber 2010a: 199, 624; Dijkstra & Beu 2018: 192-193, figs 36G-I, 38G, I, 39; Boutet et al. 2020: 624).

escharoides , Pecten – Deshayes, 1858-DescrCoqFoss: 83, pl. 79, figs 12-14; 1861-DescrCoqFoss: 78-79. — Type localities: Chaumont-en-Vexin, Parnes & Mouchy-le-Châtel. — Type age: Eocene (Lutetian). Aequipecten escharoides (Deshayes, 1858) ( Teppner 1922: 151, as “1864”). — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

galeotti, Pecten –Deshayes, 1861-DescrCoqFoss: 73. New species based on Pecten solea Deshayes, 1830 , of Galeotti (1837: pl. 4, fig. 10). — Type locality: Belgium. — Type age: Eocene (Bartonian). — Current status: synonym of Amusium corneum (J. Sowerby, 1818) ( Glibert 1936: 52, pl. 2, fig. 2, by implication, without mentioning Deshayes species), now Eburneopecten corneum (J. Sowerby, 1818) .

imbricatus, Pecten – Deshayes, 1830-DescrCoqFoss: 305-306, 22, pl. 44, figs 16-18, non (Gmelin, 1791) [ Ostrea ], nec Bosc, 1801; 1832-EncyMeth: 730; 1836-HistNatAnim2: 165; 1843-HistNatAnim3: 63. — Type localities: Chaumont-en-Vexin & Parnes. — Type age: Eocene (Lutetian). Pecten scabriusculus Nyst, 1843 (Nyst 1843: 296), replacement name [as “ non Lamarck, 1822”, actually Gmelin, 1791], but non Pecten scabriusculus Matheron, 1843 ; Pecten subscabriusculus d’Orbigny, 1850b (d’Orbigny 1850b: 393), replacement name for Nyst’s replacement name; Pecten parisiensis d’Orbigny, 1850b (d’Orbigny 1850b: 392, no. 1094), replacement name for Deshayes’ homonym. Chlamys parisiensis (d’Orbigny, 1850) ( Teppner 1922: 119, acting as “first reviser” of d’Orbigny’s two renamings). — Current status: all are now considered synonyms of Mimachlanys plebeia ( Lamarck, 1806) [ Pecten ] (Pacaud herein).

indicus , Pecten –Deshayes, 1832b: 410-411, 440, 523, pl. 3, fig. 5. — Type localities: Ceylon [ Sri Lanka] & Indian Ocean; Bélanger. — Type age: Recent. — Current status: synonym of Mimachlamys sanguinea (Linnaeus, 1758) [ Ostrea ] ( Raines & Poppe 2006: 31, 346; Dijkstra & Beu 2018: 289).

irlandicus, Pecten – Deshayes, 1835c: 24. Spelling error for Pecten islandicus O. F. Müller, 1776 .

irregularis , Hinnites – Deshayes, 1832-EncyMeth: 273. — Type localities: France & England. — Type age: Recent. — Current status: synonym of Talochlamys pusio (Linnaeus, 1758) [ Ostrea ] ( Dijkstra 1999: 417-419; Raines & Poppe 2006: 31, 347).

laudunensis , Pecten – Deshayes, 1860-DescrCoqFoss: 83, pl. 79, figs 7-9; 1861-DescrCoqFoss: 73. — Type localities: Laon & Aizy-Jouy. — Type age: Eocene (Ypresian). — Current status: synonym of Entolium mellevillei (d’Orbigny, 1850) [ Pecten ] ( Teppner 1922: 91). Synonym of Palliolum mellevillei (d’Orbigny, 1850) Pacaud 2007: 56 ).

meridanensis, Pecten –Deshayes, 1853b: 509. Near Mérida. — Type locality: Near Mérida, Yucatan, Mexico. — Type age: not stated. — Current status: nomen dubium .

mitis , Pecten – Deshayes, 1830-DescrCoqFoss: 306-307, 22, pl. 44, figs 10-12; 1836-HistNatAnim2: 166; 1843-HistNatAnim3: 64; 1861-DescrCoqFoss: 77. — Type locality: Chaumont-en-Vexin. — Type age: Eocene (Lutetian). Chlamys mitis (Deshayes, 1830) ( Teppner 1922: 114, as “1824”). — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

moreleti , Pecten – Deshayes, 1853b: 509. — Type locality: Near Mérida, Yucatan, Mexico. — Type age: not stated. — Current status: nomen dubium .

multicarinatus, Pecten –Deshayes, 1830-DescrCoqFoss: 307-308, 21, pl. 42, figs 17-19; 1836-HistNatAnim2: 166; 1843-HistNatAnim3: 64; 1861-DescrCoqFoss: 79. — Type locality: Parnes. — Type age: Eocene (Lutetian). Chlamys multicarinata (Deshayes, 1830) ( Teppner 1922: 114, as “1824”). — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

multistriatus , Pecten –Deshayes, 1830-DescrCoqFoss: 304-305, 21, pl. 41, figs 18-21, 22, pl. 44, figs 5-7, non (Poli, 1795) [ Ostrea ]; 1832-EncyMeth: 730; 1836-HistNatAnim2: 164-165; 1843-HistNatAnim3: 63; 1861-DescrCoqFoss: 83-84. — Type localities: Chaumont-en-Vexin & Senlis. — Type age: Eocene (Lutetian-Bartonian). Pecten bouryi Bucquoy, Dautzenberg & Dollfus, 1889 (Bucquoy et al. 1889: 109), replacement name. Chlamys bouryi (Bucquoy, Dautzenberg & Dollfus, 1889) ( Teppner 1922: 102) . — Current status: Mimachlamys bouryi (Bucquoy, Dautzenberg & Dollfus, 1889) ( Le Renard & Pacaud 1995: 84) .

murchisoni , Pecten –Deshayes, 1861-DescrCoqFoss: 72. New species based on Pecten corneus (J. Sowerby, 1818) of Archiac & Haime, 1853 ( Archiac & Haime 1853: 269, pl. 23, fig. 10a-c). Archiac & Haime (1853) provided a tentative name for their fig. 11: Pecten subcorneus . — Type locality: Pakistan. — Type age: Eocene. — Current status: nomen inquirendum.

nilssoni , Pecten – Deshayes, 1836-HistNatAnim2: 168; 1843-HistNatAnim3: 65, non Pecten nilsoni Goldfuss, 1835 [Cretaceous]. Replacement name for Pecten arcuata J. Sowerby, 1818 (J. Sowerby 1818: 4, pl. 205, figs 5, 7), non Pecten arcuata ( Brocchi, 1814) [ Ostrea ]. — Type locality: Devizes. — Type age: Coral Rag, Jurassic. Under ICZN Code Art. 58.7 [considered equivalent spellings], Goldfuss’ name preoccupies that of Deshayes. — Current status: Camptopecten auratus ( Schlotheim, 1813) [ Chamites ] is a senior synonym of Pecten arcuata J. Sowerby , and Deshayes’s replacement becomes another synonym.

operosus, Pecten –Deshayes, 1858-DescrCoqFoss: 83, pl. 79, figs 10- 11; 1861-DescrCoqFoss: 80. — Type locality: Parnes. — Type age: Eocene (Lutetian). — Current status: Mimachlamys operosa (Deshayes, 1858) ( Le Renard & Pacaud 1995: 84; Pacaud 2008: 83).

optatus, Pecten – Deshayes, 1858-DescrCoqFoss: 83, pl. 79, figs 18-20; 1861-DescrCoqFoss: 81-82. — Type localities: Parnes, Les Groux, Gomerfontaine, Saint-Félix, Chaumont-en-Vexin & Morainval. — Type age: Eocene (Lutetian). — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

ornatus , Pecten – Deshayes, 1830-DescrCoqFoss: 306, 22, pl. 44, figs 13-15, non Lamarck, 1819, nec (W. Wood, 1828) [ Ostrea ]; 1836-HistNatAnim2: 165-166; 1843-HistNatAnim3: 65. — Type localities: Thiverval-Grignon & Parnes. — Type age: Eocene (Lute - tian). Pecten subornatus d’Orbigny, 1850b (d’Orbigny 1850b: 392, no. 1095), replacement name. Chlamys subornatus (d’Orbigny, 1850) ( Teppner 1922: 124-125) . — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

pandorae, Pecten – Deshayes, 1833b: 231, “pl. 2, figs 12-14”, nomen nudum; 1835b: 117-118, pl. 22, figs 12-14. — Type locality: Peloponnese Peninsula, Greece. — Type age: Subapennine Formation, Pliocene. — Current status: synonym of Aequipecten seniensis (Lamarck, 1819) [ Pecten ], which in turn is now regarded as a synonym of Aequipecten scabrellus (Lamarck, 1819) ( Crippa & Raineri 2015: 79-80, pl. 5, figs 2-4, without mention of Deshayes’ species).

pictus , Pecten – Deshayes, 1833d: 66, pl. 65, figs 1-2, non da Costa, 1778. Both preoccupy Pecten pictus G. B. Sowerby II, 1842 , which was renamed Pecten oweni de Gregorio, 1884 . — Type locality: northern Red Sea. — Type age: Recent. — Current status: Deshayes’ species is now regarded as a synonym of Gloripallium maculosum (Forsskål, in Niebuhr, 1775) [ Ostrea ] ( Dekker & Orlin 2000: 10; Dijkstra & Knudsen 1998: 61-63, pl. 6, fig. 28), endemic to the Red Sea and Gulf of Aden.

prestwichii , Pecten – Deshayes, 1858-DescrCoqFoss: 83, pl. 79, figs 4-6. Incorrect subsequent spelling of the Eocene (Ypresian) Palliolum prestvichii (Morris, 1852: 266, pl. 79, fig. 8) [ Pecten ].

prevosti , Pecten – Deshayes, 1861-DescrCoqFoss: 79. Parnes. — Type localities: Thiverval-Grignon & Biarritz. — Type age: Eocene (Lutetian). — Current status: synonym of Mimachlanys plebeia ( Lamarck, 1806) [ Pecten ] (Pacaud 2007: 56).

pseudamusium, Pecten – Deshayes, 1835b: 118-119, pl. 22, figs 9-11, ex Chemnitz ms. — Type localities: Peloponnese Peninsula, Greece. — Type age: Subapennine Formation, Pliocene; also Mediterranean & Indian Ocean. A later Pecten pseudamussium G. B. Sowerby II, 1842 , is a synonym of Lissochlamys exotica (Dillwyn, 1817) [ Ostrea ]. — Current status: synonym of Pseudamussium peslutrae (Linnaeus, 1771) [ Ostrea ], the type species of Pseudamussium Mörch, 1853 , through another synonym.

rosaceus , Pecten – Deshayes, 1863: 31, nomen nudum and thus not preoccuping Pecten rosaceus Locard, 1888 .

semperi , Pecten – Deshayes, 1861-DescrCoqFoss: 73. New species based on Pecten solea Deshayes, 1830 , of Philippi (1846: 54, unfigured). — Type locality. Westeregeln, Germany. — Type age: Oligocene. — Current status: synonym of the Eocene (Ypresian) Entolium corneus (J. Sowerby, 1818) [ Pecten ] ( Teppner 1922: 89), now Lentipecten corneus (J. Sowerby, 1818) ( Jeffery & Tracey 1997: 80) .

solea , Pecten – Deshayes, 1830-DescrCoqFoss: 302-303, 21, pl. 42, figs 12-13; 1832-EncyMeth: 718-719; 1836-HistNatAnim2: 163- 164; 1843-HistNatAnim3: 63; 1861-DescrCoqFoss: 72. — Type locality: Chaumont-en-Vexin. — Type age: Eocene (Lutetian). Pseudamussium solea (Deshayes, 1830) ( Glibert & Van de Poel 1965b: 35) . — Current status: Palliolum solea (Deshayes, 1830) ( Le Renard & Pacaud 1995: 84; Pacaud 2008: 83; Courville et al. 2012: 59, pl. 1, fig. 1).

squamulosus , Pecten – Deshayes, 1832-EncyMeth: 717-718, non Risso, 1826. Invalid subsequent emendation of Pecten squamula Lamarck, 1806 .

squamulosus , Pecten – Deshayes, 1833b: 231, “pl. 5, figs 7-11”, nomen nudum; 1835b: 119, pl. 21, figs 7-11, non Risso, 1826, non Deshayes, 1832. — Type locality: Peloponnese Peninsula, Greece. — Type age: Subapennine Formation, Pliocene .

tripartitus , Pecten – Deshayes, 1830-DescrCoqFoss: 308, 21, pl. 42, figs 14-16; 1832-EncyMeth: 729; 1836-HistNatAnim2: 166-167; 1843-HistNatAnim3: 64; 1861-DescrCoqFoss: 80. — Type localities: Chaumont-en-Vexin & Senlis. — Type age: Eocene (Lutetian-Bartonian). Preoccupies Pecten tripartitus McCoy , in Griffith, 1844, which was renamed Pecten subtripartitus d’Orbigny, 1850 . Chlamys tripartitus (Deshayes, 1830) ( Teppner 1922: 126, as “1824”). — Current status: synonym of Mimachlamys plebeia ( Lamarck, 1806) ( Le Renard & Pacaud 1995: 84) .

verneuili , Pecten –Deshayes, 1850-TraitElem: 29, pl. 49, figs 7-8. — Type locality: none given. — Type age: not stated. — Current status: taxon inquirendum.

yucatanensis, Pecten – Deshayes, 1853b: 509. — Type locality: Near Mérida, Yucatan, Mexico. — Type age: not stated. — Current status: nomen dubium .

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dujardini , Hinnites – Leymerie, 1841: 299, “pl. 13, fig. 3”, nomen nudum; 1842: 10, 27, pl. 13, fig. 3, ex Deshayes ms. — Type locality: Auxon. — Type age: Cretaceous. — Current status: Prohinnites dujardini (Leaymerie, 1842) ( Harper et al. 1996: 136) .

exoticus , Pecten – Deshayes, 1836-HistNatAnim2: 154-155, ex Chemnitz ms. This was listed by Sherborn (1926: 2279) as if it were a Deshayes species, but it was first made available by Holten (1802) for a west African species now known as Lissochlamys exotica ( Holten, 1802) [ Ostrea ].

flabelliformis , Pecten –Deshayes, 1833b: 231, “pl. 6, figs 1-2”, nomen nudum. — Type locality: Peloponnese Peninsula, Greece. — Type age: Subapennine Formation, Pliocene. Indicated as being a new species in 1833, Deshayes then correctly recorded this as being Pecten flabelliformis ( Brocchi, 1814) [ Ostrea ], in his 1835 text (p. 119-120, pl. 20, figs 1-2), the type species (OD) of Flabellipecten Sacco, 1897 , which is now regarded as a synonym of Pecten O. F. Müller, 1776 .

goldfussi , Pecten –Leymerie, 1841: 321, 336, nomen nudum; 1842: 10, 27, pl. 8, fig. 9a-b, ex Deshayes ms. — Type locality: Les Croûtes. — Type age: Cretaceous (Hauterivian). Dhondt (1973: 47-52, 132, pl. 5, fig. 1) discussed and figured this species, as Chlamys goldfussi (Leymerie, 1842) , indicating that type material was not located.

leymerii , Hinnites – Leymerie, 1841: 342, nomen nudum; 1842: 10, 27, pl. 14, fig. 1, ex Deshayes ms. — Type localities: Flogny-la- Chapelle & Soulaines-Dhuys. — Type age: Cretaceous (Hauterivian). — Type species (SD Eberzin, 1960) of Prohinnites Gillet, 1921 . — Current status: Prohinnites leymerii (Leymerie, 1842) ( Nevesskaja et al. 2013: 219, fig. 76-5).

voltzii , Pecten – Leymerie, 1841: 342, nomen nudum; 1842: 10, 27, pl. 6, fig. 11a-c, ex Deshayes ms. — Type localities: Fouchères & Chenay. — Type age: Cretaceous (Hauterivian). — Current status: Chlamys voltzii (Leymerie, 1842) [ Pecten ] ( Dhondt 1973: 49).