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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