Australian Biological Resources Study

Australian Faunal Directory

Genus Skogsbergiella Kornicker, 1975

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Genus Skogsbergiella Kornicker, 1975

 

Introduction

Species of Skogsbergiella have a ridge on the inner posterior valve, and a well developed d-seta. Kornicker (1975) dissolved the unavailable Phillipiella (erected by Poulsen, 1965, but without a type species), placing one species into Archasterope and the other, Asterope spinifera Skogsberg 1920, into this new genus as the type species. There are eight species.

 

Distribution

Extra Distribution Information

In southern oceans from south 38º13'S to the Weddell Sea; depth range 6–3431 m.


Note that conversion of the original AFD map of states, drainage basins and coastal and oceanic zones to IBRA and IMCRA regions may have produced errors. The new maps will be reviewed and corrected as updates occur. The maps may not indicate the entire distribution. See further details below.
IBRA and IMCRA regions (map not available)
drainage basins and coastal and oceanic zones (map not available)

IMCRA

Tasmania Province (10), Southeast Transition (11), Central Eastern Province (12), Tasman Basin Province (13)

Original AFD Distribution Data

Australian Region

  • Australia
    • 200 mile fishing zone: SE oceanic

Distribution References

Diagnosis

Carapace elongate, smooth, with slitlike incisur; infold of right valve only with linear ridge between list and posterior valve margin; on left, valve ridge almost coinciding with valve margin; 4–6 processes present between posterior list and posterior valve margin. First antenna: sensory bristle of 5th segment of female with 7–8 filaments. Second antenna: endopod 3-segmented in both sexes, 3rd segment reflexed on adult male. Mandibula: basale of female with spines and 4–19 bristles along the dorsal margin in addition to terminal pair; dorsal margin of 1st endopod segment of female only with about 3 short stout terminal spines; 2nd endopodal segment with long lateral bristle between b- and c-bristles. Exopod about half length of dorsal margin of 1st endopodal segment. Maxilla: basale with 1 proximal bristle on ventral margin and 1–5 distal bristles on dorsal margin. Sixth limb: anterior margin with 1 bristle at upper endite suture and 0 or 1 at lower endite suture. Seventh limb: each limb with 12–25 bristles.

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
Published As part of group Action Date Action Type Compiler(s)
28-Mar-2012 28-Mar-2012 MODIFIED
30-Mar-2010 MODIFIED