Raja clavata Linnaeus, 1758
(Thornback Ray)

Taxonomic hierarchy:
SpeciesRaja clavata (Thornback Ray)
GenusRaja (skates and rays)
FamilyRAJIDAE (skates)
OrderRAJIFORMES (skates)
InfraclassBatoidea (an infraclass of cartilaginous fishes)
SubclassNEOSELACHII (a subclass of cartilaginous fishes)
ClassELASMOBRANCHII (sharks and rays)
Informal[Pisces] (fishes)
SuperclassGNATHOSTOMATA (jawed craniates)
SubphylumVERTEBRATA (vertebrates)
PhylumCHORDATA (vertebrates)
SuperphylumDEUTEROSTOMIA (deuterostomes)
CladeBilateria (bilaterally symmetrical animals)
SubkingdomEUMETAZOA (metazoans)
KingdomANIMALIA (animals)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Raja clavata (Thornback Ray) :
1: Raja clavata (Thornback Ray)
10 Feb 2012 OSGR: SY67 50° 40’ N, 2° 30’ W Vice County: Dorset (VC 9) England
3 empty egg cases washed up on beach
Image 1: Egg-case 1 - dry - concave surface - white backgroundImage 2: Egg-case 1 - dry - convex surface - white backgroundImage 3: Egg-case 1 - soaked - concave surface - white backgroundImage 4: Egg-case 1 - soaked - convex surface - white backgroundImage 5: Egg-case 2 - dry - concave surface - white backgroundImage 6: Egg-case 2 - dry - convex surface - white backgroundImage 7: Egg-case 2 - soaked - concave surface - white backgroundImage 8: Egg-case 2 - soaked - convex surface - white backgroundImage 9: Egg-case 3 - dry - concave surface - white backgroundImage 10: Egg-case 3 - dry - convex surface - white backgroundImage 11: Egg-case 3 - soaked - concave surface - white backgroundImage 12: Egg-case 3 - soaked - convex surface - white background
2: Raja clavata (Thornback Ray)
24 Jan 2010 OSGR: SY68 50° 40’ N, 2° 30’ W Vice County: Dorset (VC 9) England
4 empty egg cases washed up on beach
Image 1: Empty egg cases - less convex surfaces - white backgroundImage 2: Empty egg cases - more convex surfaces - white backgroundImage 3: Pair of egg cases - less convex faces - white backgroundImage 4: Pair of egg cases - more convex faces - white background

Raja clavata (Thornback Ray) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Raja clavata (Thornback Ray)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Raja clavata (Thornback Ray)
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