Species

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Total: 30

species valid

Acer pleistocenicum Penh. in Dawson, Penh. Bull. Geol. Soc. Amer., 1: 327. 9 Apr 1890

species valid

Acer torontoniense Penh. Amer. Naturalist, 41(487): 444. 17 Jul 1907

species valid

Azollophyllum primaevum Penh. in Dawson Proc. & Trans. Roy. Soc. Canada, 8(Section 4): 77. 1890

species valid

Carpolithes dentatus Penh. in Dawson Proc. & Trans. Roy. Soc. Canada, 8(Section 4): 89. 1890

species valid

Dictyotites fasciolus Penh. Proc. U.S. Natl. Mus., 16(928): 110, 113. 26 Jul 1893

species valid

Dictyotites maximus Penh. Proc. U.S. Natl. Mus., 16(928): 111, 113. 26 Jul 1893

species valid

Fucus bertheletensis Penh. Bull. Wisconsin Nat. Hist. Soc., New Series, 6(1-2): 11. Apr 1908

species unavailable

Gleditsia donensis Penh. Amer. Naturalist, 41(487): 446. 17 Jul 1907

species valid

Haliserites chondriformis Penh. Proc. U.S. Natl. Mus., 16(928): 110, 113. 26 Jul 1893

species valid

Haliserites lineatus Penh. Proc. U.S. Natl. Mus., 16(928): 110, 113. 26 Jul 1893

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