Search results

The Chaetognatha /kiːˈtɒɡnəθə/ or chaetognaths /ˈkiːtɒɡnæθs/ (meaning bristle-jaws) are a phylum of predatory marine worms that are a major component of...

Timorebestia koprii is an extinct species of stem-group chaetognath (arrow worm relative) that lived about 520 million years ago, in the Cambrian. Its...

interpreted as a member of the clade Gnathifera sensu lato or as a stem-chaetognath. The scientific name Amiskwia sagittiformis derives from the Cree amiskwi...

Rotifers are among the most diverse and abundant freshwater animals and chaetognaths are among the most abundant marine plankton. The most distinctive characteristic...

mitochondrial genome of Paraspadella gotoi is highly reduced and reveals that chaetognaths are a sister group to protostomes". Proceedings of the National Academy...

bierii Alvariño, 1961; chaetognath (accepted as Serratosagitta bierii Alvariño, 1961) Sagitta euneritica Alvariño, 1961; chaetognath (accepted as Parasagitta...

commonly called "worms" include annelids, nematodes, flatworms, nemerteans, chaetognaths, priapulids, and insect larvae such as grubs and maggots. The term "helminth"...

Laurent; Dossat, Carole; Wincker, Patrick; Weissenbach, Jean (2006-08-01). "Chaetognath phylogenomics: a protostome with deuterostome-like development". Current...

Effects of Purified Sea Urchin Toxins Biology of meso- and bathypelagic chaetognaths in the Southern Ocean Magarlamov, T. Y.; Melnikova, D. I.; Chernyshev...

Caecosagitta macrocephala is a deep sea marine chaetognath that is distributed in meso- and bathypelagic layers. It has a very wide distribution that...

predation, or as both a defensive and predatory venom (e.g., in octopuses, chaetognaths, and ribbon worms). Even though the toxin acts as a defense mechanism...

Chaetognatha †Amiskwia (not placed in a phylum) †Timorebestia (stem-chaetognath) †Inquicus †Nectocarididae? Platyhelminthes Mesozoa (unranked) Dicyemida...

swimmer". Briggs, Derek E.G; Caron, Jean-Bernard (2017). "A Large Cambrian Chaetognath with Supernumerary Grasping Spines". Current Biology. 27 (16): 2536–2543...

investigations revealed that protoconodonts were probably more closely related to chaetognaths (arrow worms) rather than true conodonts. On the other hand, paraconodonts...

Harper, D. A. T.; Nielsen, A. T.; Vinther, J. (2024). "A giant stem-group chaetognath". Science Advances. 10 (1): eadi6678. Bibcode:2024SciA...10I6678P. doi:10...

Cephalopoda; Amphipoda Macroplankton 2→20 cm metazoans; e.g. Pteropoda; Chaetognaths; Euphausiacea (krill); Medusae; ctenophores; salps, doliolids and pyrosomes...

though more recent studies consider them to be more closely related to chaetognaths (arrow worms). Protoconodont elements are slender and pointed, with a...

was anabaritids and Protohertzina (the fossilized grasping spines of chaetognaths) fossils. Such mineral skeletons as shells, sclerites, thorns, and plates...

Bathyspadella is a genus of chaetognaths in the family Spadellidae. The genus shares morphological similarities to Eukrohniidae and Spadellidae, although...

limited to: dinoflagellates, copepods, crustacean eggs, larval fish, and chaetognaths. They stun and capture their prey with stinging cells on their tentacles...