Artiopoda - Olenida - Olenidae
Alternative combinations: Porterfieldia caecigenus, Triarthrus caecigena, Triarthrus caecigenus
Synonym: Triarthrus reedi Raymond 1925
Belongs to Porterfieldia according to R. P. Tripp 1980
See also Cooper 1953 and Raymond 1925
Sister taxa: Porterfieldia acava, Porterfieldia contayaensis, Porterfieldia convergens, Porterfieldia cuadrata, Porterfieldia fischeri, Porterfieldia goldwyerensis, Porterfieldia humilis, Porterfieldia maanssonae, Porterfieldia parapunctata, Porterfieldia punctata, Porterfieldia sinensis, Porterfieldia thor, Porterfieldia turneri
Type specimens:
- Porterfieldia caecigena: MCZ 1593, an exoskeleton
- Triarthrus reedi:
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Ordovician of Ireland (1 collection), the United Kingdom (6)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.