Ark Clams - Family: Arcidae
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Botany Bay Ark Shell - Acar botanica
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Laminated Ark - Acar plicata
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Scaly Ark Shell - Acar squamosa
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Rudder Ark - Anadara gubernaculum (posible occurrence)
Rudder Ark - Anadara gubernaculum
Round-ribbed Ark - Anadara rotundicostata
Sydney Cockle - Anadara trapezia
Indo-Pacific Ark - Arca navicularis (possible occurrence)
Almond Ark - Barbatia amygdalumtostum
Barbatia parvivillosa
Banded Ark - Barbatia pistachia
Trapeziform Ark - Barbatia trapezina
Little Cowl Shell - Bathyarca perversidens
Leafy Ark Shell - Cucullaearca foliata
Metella Ark Shell - Destacar metella
Flying-Bird Ark - Lamarcka avellana
Truncated Ark - Lamarcka ventricosa
Mimarcaria saviolum
Samacar strabo
Granular Mud Ark - Tegillarca granosa
Propeller Ark - Trisidos tortuosa
Taxonomy:
Phylum: Mollusca (Molluscs)
> Class: Bivalvia (Bivalves)
> Subclass: Autobranchia (Autobranchs)
> Infraclass: Pteriomorpha (Pteriomorph Bivalves)
> Order: Arcida (Ark Shells and Allies)
> Superfamily: Arcoidea (Arks, Bittersweet Clams and Allies)
> Family: Arcidae (Ark Clams)
> Genus: Acar
> Species: A. botanica - Botany Bay Ark Shell
> Species: A. plicata - Laminated Ark
> Species: A. squamosa - Scaly Ark Shell
> Genus: Anadara
> Species: A. gubernaculum - Rudder Ark ^
> Species: A. pilula - Pill Ark
> Species: A. rotundicostata - Round-ribbed Ark
> Species: A. trapezia - Sydney Cockle
> Genus: Arca
> Species: A. navicularis - Indo-Pacific Ark ^
> Genus: Barbatia (Bearded Arks)
> Species: B. amygdalumtostum - Almond Ark
> Species: B. parvivillosa
> Species: B. pistachia - Banded Ark
> Species: B. trapezina - Trapeziform Ark
> Genus: Bathyarca
> Species: B. perversidens - Little Cowl Shell
> Genus: Cucullaearca
> Species: C. foliata - Leafy Ark Shell
> Genus: Destacar
> Species: D. metella - Metella Ark Shell
> Genus: Lamarcka
> Species: L. avellana - Flying-Bird Ark
> Species: L. ventricosa - Truncated Ark
> Genus: Mimarcaria
> Species: M. saviolum
> Genus: Samacar
> Species: S. strabo
> Genus: Tegillarca
> Species: T. granosa - Granular Mud Ark
> Genus: Trisidos (Propeller Arks)
> Species: T. tortuosa - Propeller Ark
^ = possibly
* = likely
References and links:
Photographic contributions: