Specimen image via iDigBio · BY-NC
Calcaronea
Sign in to saveCalcaronea is a subclass of sea sponges in the class Calcarea. They are Calcarea with the triactines and the basal system of tetractines sagittal (i.e. the rays of the spicule make unequal angles with each other), exceptionally regular. In ontogeny the first spicules to be secreted are diactines. Choanocytes are apinucleate. Calcaronea have amphiblastula larvae
Species
カルカロネア亜綱
Subclass
- PhylumPorifera
- ClassCalcarea
via
Museum specimens
- Specimen records
- 20
- With media
- 12
- Collections
- CAS, UF
- Recorded in
- United States, Canada, French Polynesia, Mascarene Islands, Philippines
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Encyclopedic overview
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- External links
Calcaronea is a subclass of sea sponges in the class Calcarea. They are Calcarea with the triactines and the basal system of tetractines sagittal (i.e. the rays of the spicule make unequal angles with each other), exceptionally regular. In ontogeny the first spicules to be secreted are diactines. Choanocytes are apinucleate. Calcaronea have amphiblastula larvae
== External links ==
Excerpted from Wikipedia’s “Calcaronea” article, available under the CC BY-SA 4.0 licence.