Collaborative Decision Making (CDM) Welcome to Collaborative Decision Making (or CDM), stop three of your tour! CDM is a phrase that has very broad implications. It is really more a philosophy on how to conduct business between the various components of aviation transportation, both government and industry. There are 24 airlines currently participating in this initiative.
Frequently Asked Dinosaur Questions. Question #11: How many dinosaurs were there? Answer: There are over dinosaur 500 genera (the plural of genus) that have been found, named and scientifically accepted. There are about an additional 100 genera that are dubious (these are frequently referred to as nomen dubium).
(See a list of the 10 Strangest Dinosaur Names and the Greek Roots Used to Name Dinosaurs). There are all sorts of ways to name extinct creatures.s a general rule, dinosaurs are referred to by their genus name--the next step up the taxonomic tree from an individual species. For example, the dinosaur commonly known as Ceratosaurus comes in four different flavors: nasicornus, dentisulcatus, ingens and roechlingi.