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Family Cucullaeidae - cucullaeid ark shells
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Order
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Class
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Bivalvia
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No. of Genera in Ref.
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No. of Species in Ref.
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Environment
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Fresh : No |
Brackish : No |
Marine : No
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Aquarium
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First Fossil Record
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Remark
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Shell inflated, inequilateral, slightly inequivalve. Umbones subcentral, on top of a trigonal cardinal area with chevron-shaped grooves and external ligament. Hinge elongate, straightish, with a series of transverse teeth, and subhorizontal teeth at both ends. Two subequal adductor muscle scars, inner margin of posterior scar on a projecting shelf. Pallial line without a sinus (Ref. 348).
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Etymology
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Division
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Reproductive guild
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Typical activity level
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Main Ref.
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Coordinator
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