Chrysalidus Botelloides is a species of sea snail , a marine gastropod mollusk in the Trochidae family , the top snails .
Botelloides chrysalidus is a species of sea snail , a marine gastropod mollusk in the family Trochidae , the top snails .

Are these two sentences paraphrases of each other?
yes

The Jecnova River is a tributary of the River MureA in Romania .
The MureA River is a tributary of the River Jecnova in Romania .

Are these two sentences paraphrases of each other?
no

Jared Harris , the man at the camp site , played by Benmont Tench , is named after Benmont Tench , keyboardist for Tom Petty and the Heartbreakers .
Benmont Tench , the man at the campsite , played by Jared Harris , is named after Benmont Tench , keyboardist with Tom Petty and the Heartbreakers .

Are these two sentences paraphrases of each other?
no

In 1949 , he joined the National Security Agency and moved on to the newly formed Armed Forces Security Agency in 1952 .
Buffham joined the National Security Agency in 1949 and went on to the newly formed Armed Forces Security Agency in 1952 .

Are these two sentences paraphrases of each other?
yes