The term pteridospermopsida is identified in base64 scheme by the sequence cHRlcmlkb3NwZXJtb3BzaWRh, while the MD5 signature is equal to ae7d5976d7831b7a64e3a348873df37c. The ASCII encoding of pteridospermopsida in hexadecimal notation is 7074657269646f737065726d6f7073696461.