Decatopecten plica ( Linnaeus, 1758 )

Dijkstra, H. H. & Kilburn, R. N., 2001, The family Pectinidae in South Africa and Mozambique (Mollusca: Bivalvia: Pectinoidea), African Invertebrates 42, pp. 263-321 : 277-278

publication ID

https://doi.org/ 10.5281/zenodo.7910445

persistent identifier

https://treatment.plazi.org/id/725A87F3-FF98-541F-FE51-FCF70309F927

treatment provided by

Felipe

scientific name

Decatopecten plica ( Linnaeus, 1758 )
status

 

Decatopecten plica ( Linnaeus, 1758) View in CoL View at ENA

(Figs 12–13)

Ostrea plica Linnaeus, 1758: 696 , no. 162; Dijkstra, 1999: 404, figs 2 A-D (lectotype). Type locality: ‘ O. Indico’, restricted to ‘Amboina (Ambon, Maluku, Indonesia) by Iredale (1939: 361).

Decatopecten plica View in CoL ; Dijkstra & Knudsen, 1998: 55, pl. 9, figs 40–41 (references, synonymy, type data, distribution, discussion).

Pallium View in CoL striatum Schumacher, 1817: 120 View in CoL . Type locality: not given, although ‘Canton’ (Guangzhou, Guangdong, China) on type labels.

Decatopecten striatus View in CoL ; Kira, 1962: 139, pl. 50, fig. 6.

Decatopecten striatum View in CoL ; Bernard, Cai & Morton, 1993: 51.

Pecten velutinus G. B. Sowerby View in CoL 2nd, 1842: 63, pl. 13, fig. 31; Reeve, 1852: pl. 2, fig. 12; Küster & Kobelt, 1888: 95, pl. 26, figs 2–3; Rombouts, 1991: 37, pl. 13, fig. 11. Type locality: ‘Macassar’ (Ujung Pandang, Sulawesi, Indonesia).

Pecten subplicatus G. B. Sowerby View in CoL 2nd, 1842: 64, pl. 13, fig. 37, pl. 14, figs 72–73, 81; Reeve, 1852: pl. 3, figs 17a–b; Dunker, 1882: 242; Küster & Kobelt, 1888: 157, pl. 44, figs 3–5; Rombouts, 1991: 37, pl. 13, fig. 10. Type locality: ‘Amboina’ ( Ambon, Maluku, Indonesia).

Pecten (Pallium) subplicatus View in CoL ; Dautzenberg & Bavay, 1912: 26 (synonymy).

Pecten strangei Reeve, 1852 View in CoL : pl. 4, fig. 22; idem, 1853: pl. 32, fig.148; Küster & Kobelt,1888: 169, pl. 47, fig. 2. Type locality: Moreton Bay, Queensland.

Decatopecten strangei View in CoL ; Iredale, 1939: 361; Lamprell & Whitehead,1992: sp. 68, pl. 12, fig. 68.

Decadopecten (Decadopecten) strangei ; Rombouts, 1991: 37, pl. 13, figs 9–9a.

Comptopallium strangei ; Abbott & Dance, 1982: 307, fig.

Pecten (Nodipecten) noduliferus View in CoL (in part non Sowerby, 1842); Boshoff, 1965: 133, pl. 13, fig. 2.

Description: Shell thick, height to 55 mm, but most adults 30–35 mm, elongate to suborbicular, nearly equivalve, equilateral, auricles small and subequal, umbonal angle ca. 85–95°. Both valves strongly convex to more compressed, with prominent radial plicae (3–5, usually 3) and smaller lateral ribs (2–3), both plicae and their intervals radial striated. Microsculpture of close-set commarginal lamellae.Auricles with several radial riblets (8–14) and microscopic commarginal lamellae. Hinge small and straight.

Byssal fasciole absent, byssal notch narrow. Active ctenolium with a few small teeth

(1–3) on suture, sometimes absent. Resilifer elongate, triangular.Auricular crura strongly developed, resilial teeth weak or absent. Inner surface slightly plicated. Colour variable, 12 13

Figs 12–13. Decatopecten plica ( Linnaeus, 1758) : NMSA G4998, Macoque, Mozambique, pv, H 39.8 x 36.6 mm. 12. LV exterior. 13. RV exterior.

cream, yellow, orange or brown with lighter or darker markings, occasionally uniform in colour; RV paler than LV.

Type material: O. plica : syntypes in LSL and UUZM (not registered) , lectotype in LSL (designated Dijkstra 1999) . P. striatum : lectotype ZMUC BIV-59 herein designated; paralectotype ZMUC BIV-60. P. velutinus : lectotype BMNH 1996405 / 1 herein designated; 2 paralectotypes BMNH 1996405 / 2-3. P. subplicatus : type material not present in BMNH (K. Way and J. Pickering pers. comm.) . P. strangei : lectotype BMNH 1950.11 . 14.74 herein designated, 2 paralectotypes BMNH 1950.11.14.75–76.

Regional data (all NMSA, selected records only): MOZAMBIQUE: Macoque, beachdrift (G4998: E. Roscoe); Santa Carolina Is., Bazaruto Archipelago, dead on sandbank (K2281: E. Roscoe); Inhaca Is. (4488: P. H. Boshoff). SOUTH AFRICA (all NMDP, unless otherwise stated): Zululand: between Bhanga Neck and Kosi Bay, off outer edge of No. 13 reef, ca. 34 m, sand, live (D9814: D. Herbert et al.); NE of Kosi Bay, 42–44 m, fine sand, dead (S5309); off Kosi Bay, dredged, dead, 40 m, shell rubble, dead (D7973); same loc., 45 m, fine muddy sand, dead (D6039); same loc., 47 m, dead coral, sponges, large algae, living (D6133); SE of Kosi Bay, 40 m, shell rubble (D8138); off Lala Nek, 70 and 72 m, dead (S6625, S7011); SE of Rocktail Bay, 60 m, dead (S5221); off Sodwana, 49–53 m, sand, dead (S4728).

Distribution: Throughout tropical Indo-Pacific, except Hawaii and Polynesia, south-western limit northern Zululand.

Habitat: Living free between coral rubble on muddy or clean sand bottoms at littoral to sublittoral depths.

Remarks: D. plica shows extreme polymorphic variability in various characters, namely valve convexity (from inflated to compressed), strength of radial plicae (strong to weakly developed), number of plicae (3–5, with 2 or 3 lateral ribs) and coloration. Specimens from Japan (in literature usually identified as D. striatus ) and Australia (often identified as D. strangei ) may be considered as ecomorphs or local forms of D. pli c a. Samples from Mozambique and South Africa resemble the type material of D. pli c a.

UUZM

Uppsala University, Zoological Museum

ZMUC

Zoological Museum, University of Copenhagen

Kingdom

Animalia

Phylum

Mollusca

Class

Bivalvia

Order

Pectinida

Family

Pectinidae

Genus

Decatopecten

Loc

Decatopecten plica ( Linnaeus, 1758 )

Dijkstra, H. H. & Kilburn, R. N. 2001
2001
Loc

Decatopecten plica

Dijkstra & Knudsen, J. 1998: 55
1998
Loc

Decatopecten striatum

BERNARD, F. R. & CAI, Y. Y. & MORTON, B. 1993: 51
1993
Loc

Decadopecten (Decadopecten) strangei

ROMBOUTS, A. 1991: 37
1991
Loc

Comptopallium strangei

ABBOTT, R. T. & DANCE, S. P. 1982: 307
1982
Loc

Pecten (Nodipecten) noduliferus

BOSHOFF, P. H. 1965: 133
1965
Loc

Decatopecten striatus

KIRA, T. 1962: 139
1962
Loc

Pecten (Pallium) subplicatus

DAUTZENBERG, P. & BAVAY, A. 1912: 26
1912
Loc

Pallium

SCHUMACHER, H. C. F. 1817: 120
1817
Loc

Ostrea plica

LINNAEUS, C. 1758: 696
1758
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