-
Chasmataspidids,
sometime referred to as chasmataspids, are a
group of
extinct chelicerate arthropods that form the
order Chasmataspidida. Chasmataspidids...
-
closer to the
arachnids in a
group called Merostomata. The
enigmatic Chasmataspidids are also
thought to be
closely related to the
horseshoe crabs. The...
-
Kiaeria is a
genus of
chasmataspidid, a
group of
extinct aquatic arthropods. It was
originally classified as a
xiphosuran of the
monotypic family Kiaeriidae...
-
indicates length of
animal 77.4–85.1 cm (30.5–33.5 in). The
largest chasmataspidids were the
Ordovician Hoplitaspis at 29 cm (11 in) in
length and similar...
- crabs) and
Planaterga (a
group comprising bunodids, pseudoniscids,
chasmataspidids,
eurypterids and arachnids), as well as
several basal synziphosurid...
-
Chasmataspis is a
genus of
chasmataspidid, a
group of
extinct aquatic chelicerate arthropods. It was
found in the
Early Ordovician deposits of Tennessee...
- (jellyfish), as well as
linguloid brachiopods, algae, and
arthropods (namely
chasmataspidids,
leperditid ostracods, and eurypterids).
Brechin Lagerstätte 450 Ma...
-
Hardieopterus lanarkensis A
hardieopterid eurypterid.
Loganamaraspis dunlopi A
chasmataspidid.
Cyamocephalus loganensis A synziphosurine.
Pseudoniscus falcatus A...
-
paralleled by
Silurian Herefordshire Lagerstätte.
Reconstruction of
chasmataspidid Chasmataspis Fossil of
crustacean Douglasocaris At
Douglas Dam, the...
-
family Dicranaceae Kiaeria limuloides, an
extinct monotypic genus of
chasmataspidid Kiaeritia, a
genus of
ostracod formerly known as
Kiaeria This disambiguation...
