Athenaegis

Athenaegis

Taxonavigation

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Superclassis/Classis: †Pteraspidomorphi
Subclassis: †Heterostraci
Genus:
Species: A. chattertoni

Note: The placement of this species has been unclear; Soehn & Wilson (1990) placed it in the Tolypelepidinae (Heterostraci: Cyathaspidiformes: Cyathaspididae) but later authors (Dec, 2015) have excluded it from the Cyathaspidiformes and possibly even the Heterostraci due to morphological characteristics. Some authors (Janvier, 1996) place it within the Heterostraci but not a member of any order, sister to “higher Heterostraci”, which Dec (2015) considered the "current placement". Randle & Sansom (2017) agreed with placing Athenaegis outside of either order, and this placement is followed here.

Name

Athenaegis Soehn & Wilson, 1990.

Etymology: From Greek Athene (Ἀθηνη) + aegis (αἰγίς, shield)

Type data

Type species: Athenaegis chattertoni (by monotypy)

Type locality: MacKenzie Mountains, Canada (Silurian

Holotype: UALVP 15682

References

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