Gammarus locusta (Linnaeus, 1758), (a sand shrimp)


23 Jan 2012 at OSGR: SY67 in Dorset, England

Record SummaryFemale with eggs, in Bryopsis plumosa tuft at low spring tide
Found asFemale (live)
Date23 January 2012
Associated organismBryopsis plumosa
OS grid refOSGR: SY67
Lat/Lon50° 40’ N, 2° 30’ W
Vice CountyDorset, VC no: 9
CountryEngland
Voucher23 Jan 2012[Q]
(Please quote this in any queries about this record)

Notes:

Length: 11mm.

Antenna 1 longer than 2 and with accessory article much longer than segment 3.

Gnathopods 1 & 2 of similar size.

Coxae: large, overlapping, hind margin of 4 strongly concave.

Pereopod 7 basis with spines on posterodistal corner.

Uropod 3: inner ramus slightly smaller than outer.

Urosome with humps.

The following literature was used to identify this find:

macro-photographs
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