Polyschides tetraschistus, Fourtooth toothshell

Polyschides tetraschistus   (Watson, 1879)

Fourtooth toothshell
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Scaphopoda | Gadilida | Gadilidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 0 - 120 m (Ref. 1821).  Temperate; 27°C - 28°C (Ref. 87155); 34°N - 36°N, 90°E - 32°W (Ref. 83435)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic Ocean.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 1.0 cm NG male/unsexed; (Ref. 83435); common length : 0.7 cm SHL male/unsexed; (Ref. 3442)

Short description Morphology

With small and homogenously distributed microsculpture formed by papillae.

Biology     Glossary (e.g. epibenthic)

Maximum length is based on maximum reported size from Ref. 083435.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the class Scaphopoda are gonochoric. Fertilization occurs in the mantle cavity. Life cycle: Eggs hatch into free-swimming lecithotrophic trochophore larvae, succeeded by shelled veligers.

Main reference References | Coordinator | Collaborators

Steiner, G. and A.R. Kabat. 2004. (Ref. 1821)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Ecology
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Length-weight rel.
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Maturity
Fecundity
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Eggs
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Larvae
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Human Related
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References
References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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