Overview

Comprehensive Description

External Appearance

(from Coe, W. R. (1905). Nemerteans of the west and northwest coasts of America.. Bull. Mus. comp. Zool. Harv.. 1-318)
General color of body, hath above and below, deep chocolate brown or olive brown, with a very conspicuous, sharply marked, white or very pale yellow median dorsal stripe extending whole length of body,and gradually enlarging on head to form a broad, pear-shaped whitish marking, often two thirds to three fourths as wide as head. Marking is broadest, and often slightly emarginate, near tip of snout, gradually becoming narrower through about half the length of the head, where it merges into the narrow dorsal stripe which continues throughout the body. Most individuals show a faint reddish line extending from each cephalic furrow backward along lateral margin of body. Cephalic furrows often slightly paler, and rosy; intestinal region inclining toward an olive brown shade. Colors and marking of body well retained after preservation.

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Source: Nemertea

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General Description

(from Coe, W. R. (1905). Nemerteans of the west and northwest coasts of America.. Bull. Mus. comp. Zool. Harv.. 1-318)
Body of moderate proportions for genus, rounded in esophageal region, flattened posteriorly; head short, broad, commonly a little wider than neck, often slightly emarginate in front, moderately flattened. Cephalic furrows deep, of moderate length, and, in most states of contraction of head, well separated anteriorly; when strongly contracted, however, reaching nearly to proboscis pore.

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Source: Nemertea

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Physical Description

Morphology

Sensory Organs

(from Coe, W. R. (1905). Nemerteans of the west and northwest coasts of America.. Bull. Mus. comp. Zool. Harv.. 1-318)
Ocelli apparently wanting.

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Source: Nemertea

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Size

(from Coe, W. R. (1905). Nemerteans of the west and northwest coasts of America.. Bull. Mus. comp. Zool. Harv.. 1-318)
Length commonly about 10-20 cm.; width 2 mm or more.

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Source: Nemertea

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Ecology

Habitat

(from Coe, W. R. (1905). Nemerteans of the west and northwest coasts of America.. Bull. Mus. comp. Zool. Harv.. 1-318)
Dredged in 30 fms., off San Pedro, California, the worms inhabiting strong, parchment-like tubes among broken shells. Found also in 20 ams. in Monterey Bay, California (J. F. Abbott). Not common.

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Source: Nemertea

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Depth range based on 48 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 0 - 452
  Temperature range (°C): 8.331 - 12.473
  Nitrate (umol/L): 6.949 - 30.530
  Salinity (PPS): 33.371 - 34.104
  Oxygen (ml/l): 2.000 - 5.306
  Phosphate (umol/l): 0.820 - 2.333
  Silicate (umol/l): 7.986 - 41.655

Graphical representation

Depth range (m): 0 - 452

Temperature range (°C): 8.331 - 12.473

Nitrate (umol/L): 6.949 - 30.530

Salinity (PPS): 33.371 - 34.104

Oxygen (ml/l): 2.000 - 5.306

Phosphate (umol/l): 0.820 - 2.333

Silicate (umol/l): 7.986 - 41.655
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Lineus bilineatus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Lineus bilineatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 15
Species With Barcodes: 1
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