Dimetron

is a two-toothed synapsid with an ear bone in its lower jaw. This bone projects to the place where the two types of tooth appear. It is possible that this form was the dominant predator of its time. Synapsids like their mammalian descendents posses an opening in the back of the skull but Dimetron posses a very unusual sail like projection of vertebrae extending vertically past this opening into the space well above the body of the creature itself. While numerous explanations for the function of this feature have been proposed we offer another… which links the feeding behavior based on the teeth force possibilities to the ear via the jaw stabilized by the effect of the sail on damping side to side motions of struggling prey items.

Once a prey item is secured inside the dentary, the difference in the tooth size make motion into the throat an easier path than out. The sail provides a lateral momentum inertial force inhibition to any kind of side to side motion where the prey in attempting to escape, moves the entire head of dimetron. The sail provides lateral repulsive momemtum towards the moving prey via the head (through the opening etc) and might be a sense coordinated with the jaw through the ear to inform Dimetron when to open and close its mouth.

The effect of the sail works best when a prey item attempts to move sequentially in both lateral directions but because there are two kinds of teeth it is the prey and not the predator that literally locomotes itself to its own digestion and demise by another. The lower jaw ear bone and sail bone just need to maintain a particular kinematic circuit by the brain to accomplish this feeding mechanism. It may be that dinosaurs arose because they were able behaviorally to avoid the initial snap and capture coming from the Dimetron and other synapsid snouts, which in both fish and amphibians lacking this cognitive ability failed contributing to some extinction via over predation.

This possible function was inspired by the notion of the ear as a macron as suggested by Ralph Abraham in “On Morphodynamics”. Abraham wrote “Here the impress of the external morphology on the sense organ is modeled exactly by the kymatic scheme, as Hans Jenny has observed [103]. The sound waves activiate, through a mechanical linkage, the cochlear window, and thus the perilymph fluid in the chohlea. This fluid is thus excited to an attractor in the actual logos of a kymatic model. The hydrodynamical motion as shown…reveals features of Jenny’s photographs, and the eddies of von Bekesy, which are analogous to Taylor cells… Variation of the amplitude and frequency – or property

frequencies, that is Fourier coefficients – produces catastrophes of this attractor, or hydrodynamical motion.” He also said, “The process of audition is more or less understood, except for the mechanical to neural transducer, the cochlea. This is a closed vessel of fluid (perilymph) with a mechanical input piston on one end, and a very complex pressure sensitive organ stretched within the fluid and comprising a flection sensor (organ of Corti) embedded in a jelly (endolymph) bound by two membranes (Reissner and basilar). Obviously, this is a natural macroscope…On the basis of our macroscope results, it would that the elastic macron – which was invisible to von Bekesy- is more likely than the simmering macro he saw to be the mechanism of hearing. “ On Morphodynamics

In Dimetron the jaw and the sail function together to operate as a neural transducer appendage that enables a macron catastrophe control reflex to assist the behavioral feeding strategy of a snap and then open and close out of phase relative to prey lateralization escape attempts. Fish swam and labyrinthodonts walked literally to their own deaths. Interestingly, this same function might be attributed to the pedicellate teeth of those modern amphibian groups that managed to survive extinction during this time. The amphibians (frogs, salamanders and caecilianas) survived by getting smaller since they could now eat smaller things more efficiently thanks to a catastrophe of the control parameters. The origin of mammals and the differentiation of the two different means to externalize the ear (Monotremes (electroperception macron) and Other Mammals (physical chemical macron) resulted from a reduction and readaptation of this kinematic appendage and a change in the relation between the catastrophe and the control.