Species

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Total: 43

species valid

Arpexylon duplex Will. Proc. Roy. Soc. London, 20(136): 438. 25 Sep 1872

species valid

Arpexylon simplex Will. Proc. Roy. Soc. London, 20(136): 438. 25 Sep 1872

species valid

Asterophyllites dawsonii (Will.) Will. Proc. Roy. Soc. London, 20(136): 436. 25 Sep 1872

species valid

Calcisphaera cancellata Will. Philos. Trans. Roy. Soc. London, 171(2): 521. 10 Nov 1880

species valid

Calcisphaera fimbriata Will. Philos. Trans. Roy. Soc. London, 171(2): 521. 10 Nov 1880

species valid

Calcisphaera hexagonata Will. Philos. Trans. Roy. Soc. London, 171(2): 522. 10 Nov 1880

species valid

Calcisphaera robusta Will. Philos. Trans. Roy. Soc. London, 171(2): 523. 10 Nov 1880

species valid

Calcisphaera sol Will. Philos. Trans. Roy. Soc. London, 171(2): 522. 10 Nov 1880

species valid

Calcisphaera spinosa Will. Philos. Trans. Roy. Soc. London, 171(2): 522. 10 Nov 1880

species valid

Cardiocarpon butterworthii Will. Proc. Roy. Soc. London, 25(171): 72. 18 May 1876

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