Recovering Blockchaininfo wallet in Electrum wallet
A mnemonic seed phrase can be used to derive an unbounded number of addresses, so you need to supply some additional information, so that the wallet software will know which addresses to derive. 

This additional information includes the derivation pathway, and the address type. 

There are some standards developed to specify these variables, see for example BIP 32, 39, 44, 84. 

So to recover your wallet, you'll want to figure out first which derivation path the original wallet used (you should hopefully be able to find this in the software docs / help), as well as the address type used (should be self-evident, based on the address prefix).