-
Thecostraca is a
class of
marine invertebrates containing over 2,200
described species. Many
species have
planktonic larvae which become sessile or parasitic...
- resolved,
shows the
phylogenetic relationships of the
Cirripedia within Thecostraca as of 2021. Over 2,100
species of
Cirripedia have been described. Some...
- Branchiopoda, Copepoda, Malacostraca,
Thecostraca;
Multicrustacea ("numerous crustaceans") — Copepoda, Malacostraca,
Thecostraca;
Communostraca ("common s****ed...
- The
largest animal currently alive is the blue whale. The
maximum recorded weight was 190
tonnes (209 US tons) for a
specimen measuring 27.6
metres (91 ft)...
- Infra-class
Progymnoplea Lang, 1948
Order Platycopioida Fosshagen, 1985
class Thecostraca Gruvel, 1905
Subclass Ascothoracida Lacaze-Duthiers, 1880
Order Dendrogastrida...
-
ribosomal DNA
reveal Facetotecta to be the
sister group to the
remaining Thecostraca (Ascothoracida and Cirripedia). Y-nauplius
illustration Y-cyprid illustration...
-
several former maxillopod subclasses now
recognised as
classes (e.g.
Thecostraca, Tantulocarida, Mystacocarida, Copepoda,
Branchiura and Pentastomida)...
- (crabs, lobsters, crayfish, krill,
various shrimp, woodlice, and kin)
Thecostraca (barnacles)
Remipedia Entognatha (coneheads, two-pronged bristletails...
- subclasses.
Those two subclasses,
along with Facetotecta, make up the
class Thecostraca. The
thorax of
Ascothoracida species has six pair of
biramous appendages...
-
cladogram shows the
phylogenetic relationships of the
Cirripedia within Thecostraca as of 2021. The
following cladogram summarizes the
internal relationships...