- and its
various sister-taxa
originally contained within both
Ctenaspididae and
Ctenaspididae,
including Allocryptaspis, Alainaspis, Zaphoctenaspis, Arctictenaspis...
- status,
including Irregularaspididae, Anglaspididae, Poraspididae,
Ctenaspididae, etc. In 2013,
Lundgren and Blom re****essed
several specimens of cyathaspidids...
- Amphiaspidida,
traditionally thought of as the
daughter or sister-taxon of
Ctenaspididae/Ctenaspidae, was
excluded from this
particular survey, as,
while the...
- sister-taxon or daughter-taxon of the
cyathaspidid family Ctenaspidae (ne "
Ctenaspididae"),
though no
formal shared traits are
identified between the two groups...