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Non-fish Identification: Find Species

Family: Periplomatidae (See list of species below)

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Total number of spines in dorsal and anal fins (optional)



16 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
No picture found

Cochlodesma pyramidatum
[]


Offadesma angasi
[Angag's egg shell]
No picture found

Pendaloma micans
[]
No picture found

Periploma aleuticum
[Aleutian spoonclam]
No picture found

Periploma compressum
[]
No picture found

Periploma coseli
[]
No picture found

Periploma fragile
[Fragile spoonclam]
No picture found

Periploma indicum
[]
No picture found

Periploma leanum
[Oval spoonclam]
No picture found

Periploma margaritaceum
[Unequal spoonclam]
No picture found

Periploma ovatum
[]
No picture found

Periploma papyratium
[Paper spoonclam]
No picture found

Periploma sanctamarthaense
[]
No picture found

Periploma tenerum
[Delicate spoonclam]
No picture found

Takashia otoshimeae
[]
No picture found

Takashia plane
[]
16 Species of Family Periplomatidae
()
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Cochlodesma pyramidatum Western Atlantic.
Offadesma angasi Angag's egg shell Southwest Pacific
Pendaloma micans Southwest Pacific
Periploma aleuticum Aleutian spoonclam Northern Pacific, Arctic,
Periploma compressum Western Atlantic. 3 DL
Periploma coseli Western Atlantic. 2.9 DL
Periploma fragile Fragile spoonclam North America. 1.6 DL
Periploma indicum Western Indian Ocean
Periploma leanum Oval spoonclam North America. 4 DL
Periploma margaritaceum Unequal spoonclam North America.
Periploma ovatum Western Atlantic. 2.7 DL
Periploma papyratium Paper spoonclam North America.
Periploma sanctamarthaense Western Atlantic. 2.2 DL
Periploma tenerum Delicate spoonclam North America.
Takashia otoshimeae Northwest Pacific
Takashia plane Northwest Pacific



Other identification tools in SeaLifeBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
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          If you already know the Ecosystem, go to
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