Traits:ExternalTube

Warning: This page is no longer updated. More recent information can be found at https://marinespecies.org/traits/aphia.php?p=attrdefinitions

External Tube

External Tube: A built-structure inhabited by an organism and essential to its survival, but not part of its body, composed of hardened (either rigid or flexible) secretions, with or without the addition of embedded particles, with those particles either selectively collected from the environment or passively becoming glued during formation (pers. comm. Read, G.).

Show new concepts

Has Values:

• [[ExternalTube|External Tube]]
  • [[NonSolidCement|Non-solid; cement]]
    • [[CalcareousSkeleton|Calcareous]]
      • [[AmorphousCaCO3|Amorphous CaCO3]]
      • [[Aragonite|Aragonite]]
      • [[Calcite|Calcite]]
      • [[HighMagnesiumCalcite|High Magnesium Calcite]]
      • [[MixedCalcareousMaterial|Mixed Calcareous Material]]
    • [[Organic|Organic]]
  • [[NonSolidParticlesComp|Non-solid; particles]]
    • [[CalcareousSkeleton|Calcareous]]
      • [[AmorphousCaCO3|Amorphous CaCO3]]
      • [[Aragonite|Aragonite]]
      • [[Calcite|Calcite]]
      • [[HighMagnesiumCalcite|High Magnesium Calcite]]
      • [[MixedCalcareousMaterial|Mixed Calcareous Material]]
    • [[Variable|Variable]]
  • [[Solid|Solid]]
    • [[CalcareousSkeleton|Calcareous]]
      • [[AmorphousCaCO3|Amorphous CaCO3]]
      • [[Aragonite|Aragonite]]
      • [[Calcite|Calcite]]
      • [[HighMagnesiumCalcite|High Magnesium Calcite]]
      • [[MixedCalcareousMaterial|Mixed Calcareous Material]]
    • [[Chitinous|Chitinous]]
    • [[Gorgonin|Gorgonin]]
    • [[Keratinous|Keratinous]]
    • [[Phosphatic|Phosphatic]]
    • [[Siliceous|Siliceous]]
    • [[Sponginous|Sponginous]]