Information om | Engelska ordet XIPHOSURANS

Exempel på hur man kan använda XIPHOSURANS i en mening

• The surviving marine species include the four species of xiphosurans (horseshoe crabs), and possibly the 1,300 species of pycnogonids (sea spiders), if the latter are indeed chelicerates.
• Unionopterus represented the only eurypterid (and merostomate, an outdated group that encompassed eurypterids and xiphosurans) of the entire Soviet Union after Adelophthalmus carbonarius.
• Other Ordovician oddballs are also present, including mitrates, machaeridians, cheloniellids and xiphosurans in abundance.
• obesus from the United Kingdom lived in a marine environment also home to other eurypterids Nanahughmilleria, Pterygotus, Slimonia, Carcinosoma, Parastylonurus and Erettopterus as well as phyllocarid crustaceans, xiphosurans, gastropods and anaspid fish Birkenia.
• As a group the synziphosurans were first regarded as basal members of the xiphosuran lineage, however more recently they have been found to be more closely related to more primitive chelicerate arthropods and only distantly related to the xiphosurans.

Förberedelsen av sidan tog: 81,83 ms.