@article {Oppel1861,
	title = {Die Arten der Gattungen Eryma, Pseudastacus, Magila und Etallonia},
	journal = {Jahreshefte des Vereins f{\"u}r Vaterl{\"a}ndische Naturkunde in W{\"u}rttemberg},
	volume = {17},
	year = {1861},
	pages = {355{\textendash}361},
	keywords = {BL, TIP},
	url = {http://archive.org/details/jahresheftedesve17vere},
	author = {Oppel, Albert}
}
@inbook {Michelotti1861,
	title = {{\'E}tudes sur le Mioc{\`e}ne Inf{\'e}rieur de l{\textquoteright}Italie septentrionale},
	booktitle = {Natuurkundige Verhandelingen von de Hollandsche Maatschappij der Wetenschappen te Haarlem},
	number = {2},
	year = {1861},
	pages = {1{\textendash}183},
	publisher = {De Erven Loosjes},
	organization = {De Erven Loosjes},
	address = {Haarlem},
	url = {http://sdrv.ms/Pa5OVB},
	author = {Michelotti, Gioanni}
}
@article {MilneEdwards1861,
	title = {Observations sur l{\textquoteright}existence de divers Mollusques et Zoophytes a de tr{\`e}s grandes profundeurs dans la mer M{\'e}diterran{\'e}e},
	journal = {Annales des Sciences Naturelles, 4e s{\'e}rie},
	volume = {15},
	year = {1861},
	pages = {149{\textendash}157},
	keywords = {SDC, TIP},
	url = {http://archive.org/details/annalesdesscienc15natu},
	author = {{Milne Edwards}, Alphonse}
}
@article {Meek1861,
	title = {A report on the invertebrate Cretaceous and Tertiary fossils of the upper Missouri Country},
	journal = {Report of the United States Geological Survey of the Territories},
	volume = {9},
	year = {1861},
	pages = {1{\textendash}629, pl. 1{\textendash}45},
	keywords = {RCBS, TIP},
	author = {Meek, F B and Hayden, F V}
}
@book {Gumbel1861,
	title = {Geognostische Beschreibung des bayerischen Alpengebirges und seines Vorlandes},
	year = {1861},
	pages = {950},
	publisher = {Justus Perthes},
	organization = {Justus Perthes},
	address = {Gotha},
	keywords = {RCBS, TIP},
	url = {http://books.google.com/books?id=SjBKAAAAYAAJ},
	author = {G{\"u}mbel, C W}
}
@article {DeFromentel1861,
	title = {Introduction {\`a} l{\textquoteright}{\'e}tude des Polypiers fossiles},
	journal = {M{\'e}moires de la Soci{\'e}t{\'e} d{\textquoteright}{\'E}mulation du D{\'e}partement du Doubs, 3e s{\'e}rie},
	volume = {5},
	year = {1861},
	pages = {1{\textendash}357},
	keywords = {BL, RCBS, TIP},
	url = {http://archive.org/details/mmoiresetcomptes05emul},
	author = {de Fromentel, E}
}
@article {DeFerry1861,
	title = {Note sur l{\textquoteright}{\'e}tage bajocien des environs de M{\^a}con},
	journal = {M{\'e}moire de la Soci{\'e}t{\'e} Linn{\'e}enne de Normandie},
	volume = {12},
	year = {1861},
	pages = {1{\textendash}46},
	keywords = {BL, TIP},
	author = {de Ferry, H}
}
