Data about Cephalochordata

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Physical Description

Data about Cephalochordata
Dimorphism
Additional detail visible gonads Fairbairn, 2013  

Ecology

Data about Cephalochordata
Habitat
Additional detail gravel
  • Gravel
    Gravel is an environmental material which is composed of pieces of rock that are at least two millimeters (2mm) in its largest dimension and no more than 75 millimeters.
    http://purl.obolibrary.org/obo/ENVO_01000018
Environments - EOL project  
Additional detail silty sediment
  • Silty sediment
    Sediment characterised by an average particle diameter between 3.9 and 62.5 micrometers.
    http://purl.obolibrary.org/obo/ENVO_01000119
Environments - EOL project  
Additional detail subtropical Environments - EOL project  
Additional detail temperate Environments - EOL project  
Additional detail tropical Environments - EOL project  
  • Has predator
    is consumed for energetic or other nutritional needs (by another organism)
    http://eol.org/schema/terms/HasPredator
Has predator
Additional detail Cod GloBI  

Life History and Behavior

Data about Cephalochordata
Reproduction
Additional detail dioecious
  • Dioecious
    Dioecy (Greek: "two households"; adjective form: dioecious) is characterised by a species having distinct male and female organisms.
    http://eol.org/schema/terms/dioecious
Fairbairn, 2013  
Additional detail simultaneous hermaphrodite
  • Simultaneous hermaphrodite
    Some members of this lineage are simultaneous hermaphrodites; a condition of hermaphroditic animals (and plants) in which the reproductive organs of both sexes are present and functional at the same time.
    http://www.owl-ontologies.com/unnamed.owl#Simultaneous_hermaphrodite
Fairbairn, 2013  

Evolution and Systematics

Data about Cephalochordata
First Appearance (Older Bound)
Additional detail 520.0 million years ago The Paleobiology Database  
First Appearance (Younger Bound)
Additional detail 516.0 million years ago The Paleobiology Database  
Last Appearance (Older Bound)
Additional detail 520.0 million years ago The Paleobiology Database  
Last Appearance (Younger Bound)
Additional detail 516.0 million years ago The Paleobiology Database  

Conservation

Data about Cephalochordata
Extinction status
Additional detail extant The Paleobiology Database  

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