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BIVALVES

As the name suggests, bivalves are two separate shells or valves joined by a hinge and ligament. They are the second largest class of shells after the Gastropods with approximately 30,000 species identified to date. Some families are very popular with collectors, including the exquisite Spiny Oysters, the delicate Tellins, and the richly colored and patterned shells of the Pecten,Venus and Cockle families.

 

Fimbria nsp., 80mm, F+++, $20

Siliqua radiata

Neotrigonia bednalli - 40mm, Gem, $10

BIGGEST I'VE SEEN!!!

Neotrigonia bednalli - 29mm, Gem, $8 each

SILVER INTERIOR!!!

 

Pearl Shell (single side), 170mmx157mm, $15 sold

 

Trisidos yongei (Twisted Ark)

105mm, F+++, $12 BIG BEAUTY!!!

 

Arcidae
A large family of approx. 200 species living in warm waters at depths of between 1-200 metres. This family was a popular food source for the Australian Aborigines most species being found on sand or mud flats at low tide.
Trisidos yongei (Twisted Ark) - 75mm, F++, Queensland. $4

Arca subnavicularis (Turkeys Wing) - 86mm, F++, Queensland. $6

BIG!!!

Arca pacifica - 70mm, F++, Panama. $6
Arca zebra - 49mm, F++, Panama. $6
Cucullaea vaga - 95mm, F++, Queensland. $12
Anadara trapezia - 71mm, F+++, Queensland. $3
Anadara maculosa - 65mm, F+++, Queensland. $3
Ustularca cruciata renuta - 47.5mm, F+++, Queensland. $5
Anadara granosa - 46mm, F+++, Thailand. $4
Barbatia reaveana - 26mm, Gem, Panama. $4
Chamidae
 
Chama lazarus - 71mm, F++, $12 sold
Chama lazarus - 84mm, F++, $12 sold

Chama brassica - 88mm, F+++, Philippines. $15

BEAUTIFUL FRILLY SPECIMEN!!!

Crassatellidae
 

Eucrassatella donacina - 111mm, Gem-, South Australia. $8 sold

BIG!!!

Eucrassatella cumingii - 57.5mm, Gem-, Queensland. $8
Cuspidariidae
 
Cuspidaria nobilis - 40mm, Gem, Taiwan. An uncommon species. $50 sold
Cuspidaria nobilis - 45.8mm, Gem, China. An uncommon species. $20
Cuspidaria alta - 21mm, F+++, Tasmania. $20
Donacidae
 
Donax sera - 65mm, F++, South Africa. $5
Donax deltoides - 53mm, F++, New South Wales. Common tidal sand dweller used in the past by our aboriginals for food. $3
Donax cuneatus - 33mm, Gem-, North Queensland. $3
Donax panamensis - 26mm, Gem, Panama. $3
Donax panamensis - 27mm, Gem, Panama. $4
Hecuba scortum - 60mm, F+++, Thailand. Beautiful light mauve color. $8
Hecuba scortum - 42mm, F+++, Vietnam. $6
Fimbriidae
 

Fimbria fimbriata - 89mm, F+++, Fiji. $10

BIG!!!

Fimbria new species - 80mm, F+++, Fiji. $20

NEW SPECIES!!!

Fimbria sowerbyi - 85mm, F++, Western Australia. $20
Glycimerididae
 

Glycymeris sp.- 90mm, F++, Western Australia. $8

BIG!!!

Glycimerus auliflura - 50mm wide, F+++, Tanzania. $8
Tucetona pectunculus - 44mm, F+++, New Guinea. $5
Tucetona broadfooti- 40mm, F+++, South Australia. $4
Glycymeris grayana - 37mm, F+++, Victoria. $2
Glycymeris radians - 34mm, F+++, South Australia. $2
Tucetona gealei - 32.5mm, F+++, South Australia. $5
Hemidonacidae
 
Hemidonax sp. - 21.5mm, F+++, Queensland. $3
Hemidonax sp. - 16mm, F+++, Queensland. $3
Limidae
 

Lima vulgaris - 75mm, F+++, Queensland. $15

BIG!!!

Lima vulgaris - 54mm, F+++, Queensland. $8
Lucinidae
 
Codakia tigerina, 49mm, F++, Fiji. Beaut Lucina Clam with a finely sculptured shell and delicate internal colors of pink/lemon. $3
Codakia paytenorum - 49mm, F+++, Queensland. $3
Codakia rugifera - 37.5mm, F+++, South Australia. $2
Codakia punctata, 58mm, F++, Fiji. $3
Divalucina cumingi - 30.5mm, Gem, Queensland. $2 sold
Divaricella ornata - 23mm, Gem, Queensland. $2 sold
Divaricella ornata - 20mm, F+++, Queensland. $2
Mactridae
 
Scissodesma spengleri - 103mm, F+++, South Africa. $6
Mactra glabrata- 107mm, F++, South Africa. $4
Mactra pura- 70mm, F++, South Australia. $4
Raeta pellicula- 65mm, F++, Queensland. $6
Mactra rufescens - 62mm, F+++, New South Wales. $4
Mactra contraria - 60mm, F+++, New South Wales. $4
Mactra discors- 58mm, F+++, New Zealand. $3
Coleomactra antiquata - 54mm, F+++, China. $4
Mactra abbreviata - 53mm, F+++, Queensland. $4
Mactra queenslandica - 51mm, F+++, Queensland. $5
Mactra turgida - 52mm, F+++, Queensland. $3
Spisula aequilateralis - 46mm, F++/F+++, New Zealand. $4
Mactra disimilis - 38.6mm, F+++, Queensland. $4
Mesodesma Clams
 
Paphies subtriangulata - 65mm, F+++, New Zealand. $3
Paphies glabrata - 24mm, F+++, Queensland. $2
Davila plana - 21.7mm, F+++, Queensland. $2
Mytilidae
 
Modiolus ostentus - 91mm, F+++, Queensland. $3
Modiolus vagina - 90mm, F++, Southern Queensland. Unusual mud dweller. $3
Perna sp.- 106mm, Gem-, Queensland. $6
Perna canaliculus - 74mm, F+++, Queensland. $3
Trichomya hirsuta - 52.5mm, F+++, Queensland. $2
Modiolus auriculatus - 28mm, F+++, South Africa. $3
Sinovacula constricta - 77mm, F+++, Queensland. $6
Pharella javanica - 75mm, F+++, Indonesia. $7
Septifer bilocularis - 28mm, F+++, South Africa. $4
Perna viridis - 53.5mm, F+++, Indonesia. $5
Psammobiidae
 

Asaphis violascens - 69mm, F+++, Queensland. $6

BIG!!!

Asaphis deflorata- 66mm, F+++, Bahamas. Pink color form. $6

BEAUT COLOR!!!

Asaphis deflorata- 66mm, F+++, Bahamas. Yellow color form. $6
Asaphis sp. - 19mm, F+++, Queensland. $3
Gari convexum - 58mm, F+++, New Zealand. $5
Gari convexum - 59mm, F+++, New Zealand. $5
Gari lineolata - 55mm, F+++, New Zealand. $2
Gari amethystus - 42mm, F+++, Western Australia. $7
Psammotellina biradiata - 54mm, F+++, South Australia. $2
Soletellina donacioides - 53.4mm, F+++, South Australia. $5
Gari anomala - 27mm, F+++, Queensland. $4
Semelidae
 

Semele lamellosa - 19mm, F+++, Queensland. Fine concentric frilly lamellae. $3

BEAUTIFUL SPECIES!!!

Semele casta - 52.8mm, F+++, Queensland. Fine concentric frilly lamellae. $6

BEAUTIFUL SPECIES!!!

Solenidae
 
Solen lamarckii - 104mm, F+++, China. $6
Solen grandis - 65mm, F+++, North Queensland. $3 sold
Ensiculus hilaris - 50mm, F+++, North Queensland. $3 sold
 
Tridacna
 

Tridacna squamosa - 112.5mm, F++, Philippines. These clams are from an old collection. $25

BIG!!!

Tridacna squamosa - 128mm, F++, Philippines. $30
Tridacna squamosa - 110mm, F++, Philippines. $20
Tridacna squamosa - 96mm, F++, Philippines. $15
Tridacna squamosa - 119mm, F++, Philippines. $30
Tridacna maxima - 132mm, F++, Philippines. $30
Trigoniidae
 

Neotrigonia bednalli - 25mm, Gem-, South Australia. $6

AMAZING IRRIDESCENT INTERNAL COLORS - THIS SPECIES!!!

Neotrigonia margaritacea - 25mm, Gem-, Tasmania. $8

AMAZING INTERNAL COLORS IRRIDESCENCE!!!

Neotrigonia margaritacea - internal view.
Misc. Bivalvia
 
Malleus albus - 110mm, F++, Queensland. $8

Lopha cristagalli - 95mm, F+++, New Guinea. $6 sold

BEAUT SPECIMEN!!!

Solecurtus sulcatus - 66mm, F++, Queensland. $8
Meiocardia moltkiana - 36mm, Gem-, Philippines. $10
Arcinella arcinella - 44mm, F+++, Caribbean. $10 sold

 

 

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