TASK DEFINITION: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
PROBLEM: forty-nine species of pipefish and nine species of seahorse have been recorded.

SOLUTION: forty-nine kinds of pipefish and nine types of seahorse have been recorded.

PROBLEM: one of these , zadok the priest , has been played at every british coronation ceremony since.

SOLUTION: zadok the priest has been played at every british coronation ceremony.

PROBLEM: megalibgwilia is a genus of echidna known only from australian fossils that incorporates the oldest known echidna species.

SOLUTION:
known from australian fossils , megalibgwilia is a genus of echidna incorporating the oldest known echidna speci.