A number of species assigned to Allosaurus are no longer recognized as valid, for one reason or another.
In this complex, Tursiops truncatus (bottlenose dolphin) was long considered as the single species in the genus Tursiops, but recently two species, T. truncatus and T. aduncus, have been recognized as valid for this genus [ 34- 36].
Sellars was interested in inferences that we can only recognize as valid if we possess certain bits of factual knowledge.
Just this summer, religious advocates lobbied successfully for a Louisiana law that protects the right of local schools to teach alternative theories for the origin of species, even though there are none that scientists recognize as valid.
Who would want to attend a program that another university -- and potential employer -- doesn't recognize as valid?
According to these theorists the recognition of citizens as free and equal moral persons deserving of respect requires that coercion be justified for or to others by their own lights, or with reasons that they could recognize as valid.
Crucially, the Supreme Court would later recognize as valid the legislation issued by the illegitimate government stemming from the 1930 coup.
I fully recognize as valid the opinions of those who oppose the idea of a specifically Jewish state.
Of the 22 species currently recognized as valid in the Cryptosporidium genus, C. parvum and C. hominis account for most cases of human infections worldwide.
Now only one species is recognized for certain, C. casuarius, although C. intermedius has been recognized as valid in some studies.
"Right now, I don't have the means to do that because nothing I have is recognized as valid by the legal system".
