Parioscorpio
Parioscorpio is an extinct genus of arthropod containing the species P. venator known from the Silurian aged Waukesha Biota of the Brandon Bridge Formation near Waukesha, Wisconsin. Upon initial publication in 2020, it was considered the world's oldest and basalmost known scorpion, older than "Dolichophonus" from Scotland by several million years. The fossils were originally discovered in 1985 but were neglected for decades. It is known from two specimens which preserve parts of the pulmonary, cardiovascular and digestive systems. In 2021, the fossils were reanalysed, and "Parioscorpio" was found not to be a scorpion, but an arthropod of uncertain placement, outside both Mandibulata and Chelicerata.
Q1360
arthropod
Concept
Q62412
Silurian
LOC
Q85814686
Waukesha Biota
UNK
Q17511771
Brandon Bridge Formation
LOC
Q94919
Waukesha
LOC
Q1537
Wisconsin
LOC
Q19125
scorpion
Concept
Q94142022
Dolichophonus
MISC
Q1633496
Mandibulata
Concept
Q1359
Chelicerata
Concept
Q83291300
Parioscorpio
MISC
Q83291300
Parioscorpio
MISC
2020-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2020
DATE
1985-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1985
DATE
2021-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
2021
DATE
parent taxon
located in the administrative territorial entity