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Agnostida and order
The systematic position of the order Agnostida within the class Trilobita remains uncertain, and there has been continuing debate whether they are trilobites or a stem group.
Other researchers have suggested, based on a cladistic analyses of dorsal exoskeletal features, that Eodiscina and Agnostida are closely united, and that the Eodiscina descended from the trilobite order Ptychopariida.

Agnostida and .
The Agnostida are divided into two suborders — Agnostina and Eodiscina — that are then divided into a number of families.
* Order Agnostida by Sam Gon III.
* Agnostida fact sheet by Sam Gon III.
Arthropoda 1: Trilobita: Introduction, Order Agnostida & Order Redlichiida, xxiv + 530 p., 309 fig., 1997.

is and order
( Since the time-span of the nation-state coincides roughly with the separate existence of the United States as an independent entity, it is perhaps natural for Americans to think of the nation as representative of the highest form of order, something permanent and unchanging.
`` I have just come from viewing a man who had made the fortune of his country, but now is working all night in order to support his family '', he reflected.
A new order is thrusting itself into being.
As his disciples boast, even though his emphasis is elsewhere, Faulkner does show his awareness of the changing order of the South quite keenly, as can be proven by a quick recalling of his Sartoris and Snopes families.
Yet his concern even here is with a slowly changing socio-economic order in general, and he never deals with such specific aspects of this change as the urban and industrial impact.
The resulting picture might appear a maze of restless confusions and contradictions, but it is more true to life than a portrait of an artificially contrived order.
An order can be chanced rather than chosen, and this approach produces an experience that is `` free and discovered rather than bound and remembered ''.
The `` approximate '' is important, because even after the order of the work has been established by the chance method, the result is not inviolable.
If a work is divided into several large segments, a last-minute drawing of random numbers may determine the order of the segments for any particular performance.
Accordingly, it is the aim of this essay to advance a new theory of imitation ( which I shall call mimesis in order to distinguish it from earlier theories of imitation ) and a new theory of invention ( which I shall call symbol for reasons to be stated hereafter ).
In order to exonerate himself, he is compelled to find the real criminal, who happens to be his girl friend.
For this change is not a change from one positive position to another, but a change from order and truth to disorder and negation.
For paradigmatic history `` breaks '' rather than unfolds precisely when the movement is from order to disorder, and not from one order to a new order.
Seemingly, order is perceived as a kind of subsistent entity now covered by adventitious accretions.
The problem is to remove the accretions and thereby uncover the order that was always there.
Such a response, of course, misses the point that in crisis order is going out of existence.
Moreover its posture of stubborn but simple resistance is doomed to failure because of the metaphysical weakness of the existent form of order, once the activation of change has reached visible proportions.
It is not implied that formal principles and procedures are so firmly entrenched within the public order of the world community or even of free commonwealths that they will control in all circumstances involving Jews and Gentiles during coming years.
At this point a working definition of idea is in order, although our first definition will have to be qualified somewhat as we proceed.
Here an important caveat is in order.
It is not possible to reconstruct fully the arrangements whereby these honors lists were then made up or even how the names that they contained assumed the order in which we find them.
Like ours, the economy of the space merchants must constantly expand in order to survive, and, like ours, it is based on the principle of `` ever increasing everybody's work and profits in the circle of consumption ''.

is and arthropod
After moulting, an arthropod is described as teneral, a callow ; it is " fresh ", pale and soft-bodied.
It is found in arthropod exoskeletons and in the cell walls of some fungi.
Subsequently, a soft part of the prey item ( usually a joint membrane in arthropod prey ) is identified, punctured with a bite from the jaws, and injected with saliva.
The " stem-group arthropod " hypothesis is very widely accepted, but some trees suggest that the onychophorans may occupy a different position ; their brain anatomy is more closely related to that of the chelicerates than to any other arthropod.
Further than their arthropod status, the identity of these early herbivores is uncertain.
Though technically incorrect, the definition is sometimes widened to include the study of terrestrial animals in other arthropod groups or other phyla, such as arachnids, myriapods, earthworms, land snails, and
Forensic entomology is the application and study of insect and other arthropod biology to criminal matters.
* Arthropod transmission: By insect, either mechanically via a contaminated proboscis or feet, or biologically when there is growth or replication of the organism in the arthropod.
The horseshoe crab is an arthropod of the family Limulidae.
This class of arthropod is thought to be among the first animals to have colonised land during the Silurian geologic period.
Redlichiida is an order within the major extinct arthropod class Trilobita.
Marrella splendens is an arthropod known from the middle Cambrian Burgess Shale of British Columbia.
It is currently accepted that Marrella is a stem group arthropod — in other words, it is descended from an ancestor common to it and most or all of the later major arthropod groups.
Despite its similarity to the trilobites, it is no more closely related to this group than any other arthropod.
Sanctacaris is a Middle Cambrian arthropod from the Burgess Shale of British Columbia.

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