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CHAP. VI.
PALÆOZOIC STRATA.
201
FAUNA OF THE MAGNESIAN LIMESTONE.
| Totality of Genera | Totality of Species | Species occurring in England and Ireland | Species peculiar to England or Ireland | Species peculiar to Russia | Species peculiar to Germany | |
| Plants | 17 | 60 | 7 | ? 6 | 27 | 26 |
| Spongiæ | 4 | 5 | 5 | 5 | — | — |
| Foraminifera | 3 | 6 | 6 | 6 | — | — |
| Polyparia | 14 | 18 | 11 | 4 | 5 | 2 |
| Echinodermata | 2 | 2 | 2 | — | — | — |
| Annelida | 4 | 5 | 5 | 4 | — | — |
| Crustacea | 3 | 13 | 12 | 12 | 1 | — |
| Palliobranchiata | 14 | 37 | 23 | 9 | 14 | — |
| Lamellibranchiata | 19 | 47 | 30 | 16 | 16 | ? 1 |
| Gasteropoda | ? 10 | 26 | 21 | ? 18 | 3 | 2 |
| Cephalopoda | 3 | 4 | 2 | 1 | 1 | 1 |
| Pisces | ? 14 | ? 45 | 16 | ? 16 | 2 (— ?) more. | 27 |
| Reptilia | 7 | 9 | 3 | 3 | 4 | 2 |
| 114 | 277 | 143 | 100 | 73 | 61 |
FAUNA OF THE PERMIAN SYSTEM IN EUROPE.
| Genera | Totality Number of Species in Europe | Species exclusively peculiar to the Permian System in Europe | Species found in older formations | Species found in Russia. | ||||
| Peculiar to that country | Previously found elsewhere. | |||||||
| In the Permian and older formations. | In the Permian beds exclusively | In older formation exclusively | ||||||
| Polyparia | 7 | 15 | 13 | 2 | 3 | 1 ? | 2 | — |
| Echinodermata | 2 | 2 | 1 | 1 | — | — | — | — |
| Conchifera Brachiopoda | 7 | 30 | 20 | 10 | 8 | 3 | 4 | 5 |
| ————— Dimyria | 10 | 26 | 26 | — | 8 | — | 2 | — |
| ————— Monomyaria | 5 | 16 | 15 | 1 | 4 | — | — | — |
| Mollusca Gasteropoda | 11 | 22 | 19 | 3 | 3 | — | — | — |
| ———— Cephalopoda | 1 | 3 | 3 | — | — | — | — | — |
| Annelida | 1 | 2 | 2 | — | 2 | — | — | — |
| Crustacea | 2 | 2 | 2 | — | 2 | — | — | — |
| Pisces | 16 | 43 | 42 | 1 | 2 | — | — | — |
| Reptilia | 4 | 5 | 5 | — | 1 | — | — | — |
| Total | 66 | 166 | 148 | 18 | 32 | 3 or 4 | 12 | 5 |
