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aplacophoran मीनिंग इन हिंदी
aplacophoran उदाहरण वाक्य
उदाहरण वाक्य
अधिक: आगे- The aplacophorans are traditionally considered ancestral to the other mollusc classes.
- The affinities of Aplacophorans have long been uncertain.
- Molecular and fossil evidence seemed to put Aplacophorans in the clade Aculifera, as a sister group to Polyplacophora.
- However, the relationship between the two aplacophoran groups and to the other molluscan classes and to each other is as yet unclear.
- Aplacophorans are cylindrical and worm-like in form, and most very small, being no longer than; some species, however, can reach a length of.
- The discovery of " Kulindroplax " in 2012, a fossil aplacophoran with a polyplacophoran-like armour, strongly supports this hypothesis, and shows that aplacophorans evolved from progenitors that bore valves.
- The discovery of " Kulindroplax " in 2012, a fossil aplacophoran with a polyplacophoran-like armour, strongly supports this hypothesis, and shows that aplacophorans evolved from progenitors that bore valves.
- The relationship with other molluscs, however, is apparent from some features of the digestive system; aplacophorans possess both a radula and a hermaphroditic, but caudofoveates have two sexes, and reproduce by external fertilization.
- His research focused on molluscs and more specifically on the ectoparasitic pyramidellid gastropods and the, shell-less, primary deep-sea aplacophorans, the biogeography of these animals, and the relationship between the molluscs and other animal groups.
- While other fossil taxa like " Acaenoplax " and " Phthipodochiton " showed intermediate features between aplacophorans and polyplacophorans, no unambiguous fossil with an aplacophoran-like body and a polyplacophoran-like shell has been found before " Kulindroplax ".