 
			| Species (N=922) | GC (%) | AT (%) | G (bases) | C (bases) | A (bases) | T (bases) | Maximum lifespan (yrs) | 
|---|---|---|---|---|---|---|---|
| Phacochoerus africanus | 37.2 | 62.8 | 327 | 234 | 412 | 536 | 20.9 | 
| Phaeognathus hubrichti | 35.9 | 64.1 | 326 | 226 | 432 | 553 | 19.7 | 
| Phaethon rubricauda | 44.8 | 55.2 | 406 | 285 | 375 | 476 | 32.7 | 
| Phalacrocorax carbo | 43.0 | 57.0 | 458 | 299 | 429 | 574 | 27.2 | 
| Phascogale tapoatafa | 36.6 | 63.4 | 322 | 229 | 431 | 524 | 5.9 | 
| Phascolarctos cinereus | 34.8 | 65.2 | 319 | 196 | 424 | 541 | 22.1 | 
| Phasianus colchicus | 41.4 | 58.6 | 381 | 258 | 394 | 512 | 27.0 | 
| Phelsuma guimbeaui | 39.4 | 60.6 | 351 | 249 | 412 | 512 | 7.1 | 
| Phenacobius mirabilis | 44.0 | 56.0 | 373 | 315 | 398 | 478 | 3.0 | 
| Philantomba maxwellii | 35.8 | 64.2 | 317 | 224 | 433 | 539 | 18.3 | 
| Philantomba monticola | 36.0 | 64.0 | 315 | 229 | 431 | 537 | 15.9 | 
| Phoca vitulina | 37.7 | 62.3 | 332 | 236 | 404 | 535 | 47.6 | 
| Phocoena phocoena | 38.0 | 62.0 | 331 | 244 | 421 | 516 | 20.4 | 
| Phoenicopterus roseus | 43.1 | 56.9 | 400 | 267 | 379 | 502 | 44.0 | 
| Phoxinus eos | 44.7 | 55.3 | 376 | 322 | 396 | 467 | 3.0 | 
| Phoxinus phoxinus | 44.2 | 55.8 | 368 | 322 | 402 | 469 | 13.0 | 
| Piaractus brachypomus | 44.0 | 56.0 | 374 | 310 | 392 | 480 | 28.0 | 
| Pica pica | 41.1 | 58.9 | 372 | 261 | 388 | 521 | 21.7 | 
| Pinicola enucleator | 41.2 | 58.8 | 374 | 261 | 392 | 514 | 9.8 | 
| Platalea leucorodia | 41.4 | 58.6 | 388 | 259 | 393 | 524 | 30.1 | 
| Platalea minor | 41.1 | 58.9 | 379 | 258 | 396 | 516 | 15.0 | 
| Platemys platycephala | 38.1 | 61.9 | 359 | 228 | 404 | 549 | 20.0 | 
| Platichthys stellatus | 45.8 | 54.2 | 395 | 315 | 376 | 464 | 24.0 | 
| Platysternon megacephalum | 37.5 | 62.5 | 346 | 236 | 411 | 558 | 27.0 | 
| Plecoglossus altivelis | 47.6 | 52.4 | 403 | 338 | 370 | 446 | 3.0 | 
| Plecotus auritus | 35.9 | 64.1 | 300 | 241 | 432 | 536 | 30.0 | 
| Plectropomus leopardus | 44.2 | 55.8 | 376 | 313 | 394 | 476 | 26.0 | 
| Plethodon cinereus | 34.8 | 65.2 | 316 | 216 | 446 | 552 | 25.0 | 
| Plethodon elongatus | 35.8 | 64.2 | 320 | 225 | 433 | 543 | 13.3 | 
| Podarcis muralis | 40.8 | 59.2 | 370 | 253 | 395 | 508 | 10.0 | 
| Poecile palustris | 42.9 | 57.1 | 399 | 265 | 374 | 509 | 11.9 | 
| Poecilia reticulata | 43.2 | 56.8 | 382 | 288 | 390 | 492 | 5.0 | 
| Pogona vitticeps | 42.5 | 57.5 | 374 | 254 | 369 | 480 | 12.0 | 
| Pollachius pollachius | 46.5 | 53.5 | 393 | 322 | 373 | 449 | 8.0 | 
| Pollachius virens | 45.9 | 54.1 | 387 | 318 | 375 | 456 | 25.0 | 
| Polyodon spathula | 43.8 | 56.2 | 383 | 302 | 391 | 487 | 55.0 | 
| Polyplectron napoleonis | 43.8 | 56.2 | 405 | 275 | 378 | 494 | 15.0 | 
| Polypterus senegalus | 40.3 | 59.7 | 358 | 265 | 416 | 508 | 34.0 | 
| Pomatomus saltatrix | 45.7 | 54.3 | 396 | 314 | 378 | 467 | 9.0 | 
| Pongo pygmaeus | 40.8 | 59.2 | 381 | 234 | 381 | 512 | 59.0 | 
