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Table 1 Compilation of previous studies that applied geometric morphometric methods to modern bivalves

From: Geographical variation in shell shape of the pod razor shell Ensis siliqua (Bivalvia: Pharidae)

Species Country or geographical area Type/subject Contour/landmarks Reference
Mytilus sp.    Elliptic Fourier analysis Ferson et al. (1985)
Mytilus edulis
Mytilus trossulus
Canada (eastern Newfoundland) (16) Multispecies 300–600 points, 10 harmonics Innes and Bates (1999)
Chamelea gallina Spain (6), Italy (1) Geographical 100 points, 10 harmonics Palmer et al. (2004)
Brachidontes darwinianus
Brachidontes purpuratus
Brachidontes rodriguezi
Argentina: Quaternary fossils (19), modern (8) Fossil/modern multispecies geographical 1 landmark (umbo) + 39 semi-landmarks Aguirre et al. (2006)
Mytilus chilensis Chile (8) Geographical 100 points, 10 harmonics Krapivka et al. (2007)
Chamelea gallina
Chamelea striatula
Portugal (1) Multispecies 10 harmonics + 9 landmarks Rufino et al. (2007)
Corbicula fluminea Portugal (6) Geographical 11 landmarks Sousa et al. (2007)
Ruditapes decussatus
Ruditapes philippinarum
Italy (9), Spain (1), Tunisia (1) Multispecies geographical 7 harmonics Costa et al. (2008)
Anomalocardia brasiliana
Anomalocardia squamosa
Iliochione subrugosa
Thailand (7), Philippines (1), Jamaica (1), Colombia (1), Brazil (1), Ecuador (1) Multispecies geographical 19 landmarks Roopnarine et al. (2008)
Mytilus edulis
Mytilus galloprovincialis
Mytilus trossulus
Canada (7), USA (1), UK (5), France (1), Finland (1) Multispecies geographical 300–600 points, 10 harmonics Gardner and Thompson (2009)
Ruditapes decussatus
Ruditapes philippinarum
Italy (2) Multispecies 180 points, 7 harmonics Costa et al. (2010)
Aequipecten tehuelchus Argentina (1) Ontogenetic 8 landmarks + 20 semi-landmarks Márquez et al. (2010a)
Ameghinomya antiqua Argentina (5) Geographical 10 harmonics + 13 landmarks Márquez et al. (2010b)
Mytilus chilensis Chile (6) Geographical wild versus cultivated 9 landmarks Valladares et al. (2010)
Tawera gayi
Tawera philomela
Tawera spissa
Chile (3), Argentina (2), New Zealand (1), South Africa (1) Fossil/modern multispecies geographical 10 harmonics Gordillo et al. (2011)
Ensis macha Argentina (12) Geographical 15 harmonics Márquez and Van der Molen (2011)
Pectinidae USA Multispecies Sliding semi-landmarks in 3D Serb et al. (2011)
  1. The number of sites or populations analysed is indicated between brackets. In contour and landmark analyses, the number of points or harmonics and the number of landmarks are also indicated