15 
Modern Name 
Old Name 
English Name 
Locality 
CHAMA 
CHAMA 
CLAMP SHELL 
553 lazarus 
lazarus 
red lazarus 
East Indies 
554-556 do. yellow variety lazarus 
yellow lazarus 
East Indies 
557-558 areinella 
areinella 
hedge-hog 
East Indies 
559-562 radians 
radians 
rayed 
Unknown 
563 (see notes) 
TRIDACNA 
564 gigas 
gigas var. 
great 
Indian Ocean 
565 elongata 
gigas var. 
lengthened 
Indian Ocean 
566-569 squamosa 
gigas var. 
scaly 
Indian Ocean 
570 crocea 
gigas var. 
yellow 
Indian Ocean 
571-572 imbricata 
gigas var. 
imbricated 
Indian Ocean 
573 eornuta (McCoy) gigas var. 
horned 
Unknown 
HIPPOPUS 
574-585 maculatus 
hippopus 
spotted 
Amboyna 
586 (see notes) 
MODIOLA 
MYTILUS 
MUSSEL 
587-589 papuana 
modiolus 
great 
Dublin Bay 
590-592 tulipa 
modiolus 
great 
Mediterranean 
593-596 albicosta 
albicosta 
white rayed 
Mediterranean 
ARCA 
ARK 
597-599 sulcata 
modiolus 
mussel 
Mediterranean 
MYTILUS 
MUSSEL 
600-603 plicatula 
demissus 
plaited 
Carolina 
604 barbata 
barbatus 
bearded 
Dublin Bay 
