NO. 17 Lamarck's genera of shells — kennard et al. 15 



Genus Type & Synonym 



[2] L. squamosa (Ostrea Lima. 

 Linn.) 

 §Bruguiere created the name for figures in 1797. 

 Genus adopted and defined by Cuvier 1798 

 (Tabl. 421 ) , with genotype Ostrea Lima, Lin. 

 Lamarck (Prod. 88) cited the same but 

 changed the specific name unnecessarily in 

 Syst. 136 to squamosa. 



39 65 Plagiosfoma P. transversa 



^transversa was not a member of the genus 

 when founded by Sowerby. The type is P. 

 gigantca, Sowb. (Min. Conch. 1814). 



40 66 Pecten P. niaximus {Ostrea maxima. 



Linn.) 

 §Stet. Lk. Prod. 88 cites P. jaeohcea, Lin., but 

 changed in Lk. Syst. 135 to P. maxima, Lin. 



40 66 Plicatula 



41 67 P. crista fa 



§P. cristata was not named by Lamarck when 

 founding the genus in 1801 (Syst. 132) only 

 P. gibbosa, n.n. for Spondylus plicatus, Lin., 

 and P. depressa are cited. The former is sunk 

 in the Hist, in P. ramosa. P. plicatus must be 

 taken for type as recommended by Sowerby in 

 1822 (Genera III) and selected by Gray in 



1847. 

 Spondylus 



S. gcederopus (Idem. Linn.) 

 §Stet. Same in Lk. Syst. 131. 

 Podopsis P. tnincata. §Stet. 



Gryphaea G. angulafa. §Stet. 



Ostrea 



O. edulis (Idem. Linn.) 

 §Stet. Same in Lk. Prod. 81 and Syst. 132. 

 44 70 Vulsella 1 4] ]\ spongiarum. 



§Genotype Lk. Prod. 82 is Mya vulsella, Lin. 

 Specific name changed unnecessarily in Lk. 

 Syst. 133 to lingulata. 



[Bolten, 1798, also created the same generic 

 name with same type.] 



