As an adjective atypical
is not conforming to the normal type.
As a noun atypical
is (pharmacy) an atypical antipsychotic.
As an adverb anomalously is
in an anomalous manner.
Anomalously is a derived term of anomalous.
As a adverb anomalously
is in an anomalous manner.
As a adjective anomalous is
deviating from the normal; aberrant or abnormal.