+----------------+------+-------+------+------+------+------+------+------+ +----------------+------------------------------------------+-------------+ | | Genera which are found | Number of | | | | Species. | | +------+-------+------+------+------+------+------+------+ |NAMES OF GENERA.|Living|Living,|Fossil|In the|In the|In the|In the|In the| | |only. |and in |only. |Strata|Strata|Strata|Living|Fossil| | | | the | |ante- |of the|post- |State.|State.| | | |Fossil | |rior |Chalk.|erior | | | | | |State. | |to the| |to the| | | | | | | |Chalk.| |Chalk.| | | +----------------+------+-------+------+------+------+------+------+------+ | MAMMIFERA.(cont.) | | | | | | | | |Tapirus, | | * | | | | * | | 1 | |Elasmotherium, | | | * | | | * | | 1 | |Equus, | | * | | | | * | | 1 | |Mus, | | * | | | | * | | 1 | |Cervus, | | * | | | | * | | 5 | |Bos, | | * | | | | * | | 4 | |Myoxus, | | * | | | | * | | 2 | | | | * | | | | | | | | CETACEA. | | | | | | | | | | |Manatus, | | * | | | | * | | 1 | |Delphinus, | | * | | | | * | | 4 | |Balæna, | | * | | | | * | | 3 | | | | | | | | | | | | AVES.(a) | | | | | | | | | |Sturnus, | | * | | | | * | | 1 | |Pelecanus, | | * | | | | * | | 1 | |Charadrius, | | | | | | * | | 1 | | | | | | | | | | | | REPTILIA. | | | | | | | | | |Testudo, | | * | | | | * | | 6 | |Crocodilus, | | * | | | * | | | 6 | |Plesiosaurus, | | | * | | | | | 1 | |Ichthyosaurus, | | | * | * | | | | 4 | |Pterodactylus, | | | * | * | | * | | 3 | |Rana, | | * | | | | * | | 1 |