Overview

Distribution

Deep-sea acorn worms have been found in the Pacific and Atlantic (Holland et al. 2005). Observations and collections from remotely operated vehicles operating on the Mid-Atlantic Ridge in the North Atlantic in 2010 suggests that there are several yet to be named species. One of the species typically leaves circular trails of mud. ROV observations have also shown that the worms can swim off the seabed to move around.

  • Holland ND, Clague DA, Gordon DP, Gebruk A, Pawson DL, Vecchione M. 2005. 'Lophenteropneust' hypothesis refuted by collection and photos of new deep-sea hemichordates. Nature, 434 (7031): 374-376.
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Supplier: Odd Aksel Bergstad

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Ecology

Habitat

Enteropneusts have been found living in a wide variety of depths and habitats. The majority of species have been discovered in intertidal regions and coastal areas accessible to humans.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Evolution and Systematics

Evolution

Classification

Class Enteropneusta is not monophyletic, but the families within it are.
  • Cannon JT, Rychel AL, Eccleston H, Halanych KM, Swalla BJ (2009) Molecular phylogeny of hemichordata, with updated status of deep-sea enteropneusts. Mol Phylogenet Evol 52(1): 17-24.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:25Public Records:6
Specimens with Sequences:6Public Species:3
Specimens with Barcodes:6Public BINs:3
Species:5         
Species With Barcodes:3         
          
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Enteropneusta

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Source: Barcode of Life Data Systems (BOLD)

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Genomic DNA is available from 2 specimens with morphological vouchers housed at National Institute of Water and Atmospheric Research, Auckland
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© Ocean Genome Legacy

Source: Ocean Genome Resource

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