Annelid

This was the so-called Annelid theory of Dohrn and Semper.

Form and Function A Contribution to the History of Animal Morphology

Eibmoz says: another anagram would be "A Annelid Fist Into" see, its fisted, that explains it

FINAL DESTINATION FRANCHISE LACKS FINALITY 2007

Does anybody know about Annelid worms within temperate forest canopies?

Why did the earthworm climb the tree? AYDIN 2007

My interest still remains- anyone have more information, getting back to the science, on the alternate hypothesis to Annelid burrowing that the author claims?

This Worm Has Turned - The Panda's Thumb 2006

My interest still remains- anyone have more information, getting back to the science, on the alternate hypothesis to Annelid burrowing that the author claims?

This Worm Has Turned - The Panda's Thumb 2006

His speculations on this matter may be summed up somewhat as follows: -- The common ancestor of all segmented animals is a segmented worm-like form, not quite like any existing type, resembling the Turbellaria in having two nerve strands on the dorsal side and no oesophageal ring, potentially able to develop either the Vertebrate or the Annelid mouth, and so to give origin both to the Articulate and to the Vertebrate series.

Form and Function A Contribution to the History of Animal Morphology

Both laid great stress on the fact that the main organs in Vertebrates are arranged in the same way as in an Annelid lying on its back, the nervous system being uppermost, the alimentary system coming next, and below this the vascular.

Form and Function A Contribution to the History of Animal Morphology

Dohrn conceived that the transformation of the Annelid into the

Form and Function A Contribution to the History of Animal Morphology

The Annelid theory of Dohrn and Semper was perhaps not so widely accepted as the rival Ascidian theory, but it counted not a few adherents and gave a certain stimulus to comparative morphology.

Form and Function A Contribution to the History of Animal Morphology

If the Vertebrate is conceived to have evolved from a primitive Annelid which took to creeping or swimming ventral surface uppermost, a difficulty at once arises with regard to the relative positions of the

Form and Function A Contribution to the History of Animal Morphology