Epirhabdoides ivanovi   Steiner, 1999

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

Scaphopoda | Dentaliida | Anulidentaliidae

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

Benthic; depth range 1641 - 1641 m (Ref. 1821).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Northwest Atlantic: Japan Trench. Subtropical to boreal climates.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 4.0 cm SHL male/unsexed; (Ref. 2071); common length : 2.7 cm SHL male/unsexed; (Ref. 2071)

Short description Morphology

Shell: very thin, translucent to transparent, slightly curved and slender, expanding gradually. Radula: Rachidian; superior border with three central projections that eroded quickly and absent in the anterior rows; laterals with pronounced head with a prominent primary cusp, one low posterior secondary denticle and one sharp anterior secondary denticle which is followed by a short nodulose ridge; marginals weakly sinusoidal, outer border wider than that adjacent to the laterals. Mantel edges: anterior with short longitudinal slits positioned dorsoventrally and leads posteriorly from the frontal epithelium of the mantel edge and close to form a short tube; posterior mantel edge forms a valve apparatus with a ventral bolster of connective tissue; a ring of large cells with long cilia outside of the valve apparatus; a two to three-fiber ligament runs from between the statocysts and extending posteriorly to attach at the buccal septum; with two pairs of dorsoventral muscles in the abdominal region, a large inner pair and a smaller outer pair.

Biology     Glossary (e.g. epibenthic)

Depth based from holotype (Ref. 1821); to be replaced with a better reference. Length values from type series (Ref. 2071).

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)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Ecology
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Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
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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

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