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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

AttributesValues
rdf:type
rdfs:label
  • Calcaronea (en)
  • Calcaronis (ca)
  • Calcaronea (fr)
  • Calcaronea (it)
  • Calcaronea (nl)
  • Calcaronea (pt)
  • Calcaronea (ru)
  • Calcaronea (uk)
rdfs:comment
  • Els calcaronis (Calcaronea) són una subclasse d'esponges calcàries. Són exclusivament marins. Les larves dels calcaronis tenen una zona amb cèl·lules flagel·lades igual a la zona de cèl·lules no flagel·lades. Els flagels emanen del nucli de la cèl·lula. (ca)
  • 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 (en)
  • Calcaronea est une sous-classe d'éponges calcaires. (fr)
  • Calcaronea Bidder, 1898 è una sottoclasse di spugne della classe Calcarea. (it)
  • Calcaronea is een onderklasse binnen de stam van de Porifera (sponsdieren). (nl)
  • Calcaronea (лат.) — подкласс известковых губок, содержащий три отряда и 14 семейств. Исключительно морские обитатели. Известны с кембрийского периода — первые ископаемые остатки найдены в слоях, датированных 516 млн лет назад. (ru)
  • Calcaronea é uma subclasse de esponjas calcáreas. São Calcareas com triactinas e o sistema basal das tetractinas sagitais (os raios da espícula fazem ângulos desiguais um com o outro), excepcionalmente regular. Na ontogenia, as primeiras espículas a serem secretadas são as diactinas. Os coanócitos são apinucleados. Calcaronea tem larvas de amphiblastula. (pt)
  • Calcaronea — підклас віпнякових губок (Calcarea). (uk)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Matmor_calcisponge_Peronidella.jpg
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  • Peronidella sp. from the Middle Jurassic of Israel. (en)
subdivision
  • * Baerida * Leucosolenida * Lithonida * †Pharetronida (en)
subdivision ranks
  • Orders (en)
taxon
  • Calcaronea (en)
has abstract
  • Els calcaronis (Calcaronea) són una subclasse d'esponges calcàries. Són exclusivament marins. Les larves dels calcaronis tenen una zona amb cèl·lules flagel·lades igual a la zona de cèl·lules no flagel·lades. Els flagels emanen del nucli de la cèl·lula. (ca)
  • 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 (en)
  • Calcaronea est une sous-classe d'éponges calcaires. (fr)
  • Calcaronea Bidder, 1898 è una sottoclasse di spugne della classe Calcarea. (it)
  • Calcaronea is een onderklasse binnen de stam van de Porifera (sponsdieren). (nl)
  • Calcaronea (лат.) — подкласс известковых губок, содержащий три отряда и 14 семейств. Исключительно морские обитатели. Известны с кембрийского периода — первые ископаемые остатки найдены в слоях, датированных 516 млн лет назад. (ru)
  • Calcaronea é uma subclasse de esponjas calcáreas. São Calcareas com triactinas e o sistema basal das tetractinas sagitais (os raios da espícula fazem ângulos desiguais um com o outro), excepcionalmente regular. Na ontogenia, as primeiras espículas a serem secretadas são as diactinas. Os coanócitos são apinucleados. Calcaronea tem larvas de amphiblastula. (pt)
  • Calcaronea — підклас віпнякових губок (Calcarea). (uk)
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