world catalogue and bibliography of the recent pycnogonida

Norman, A.M. (1873): Pycnogonida. In: C. Wyville Thompson: The
Depths of the Sea: 129; London: Macmillan.
Norman, A.M. (1894): A month on the Trondhjem Fjord. - Ann.
Mag. Nat. Hist., 13 (6): 151-164.
Norman, A.M. (1903): Notes on the natural history of East
Finmark. - Ann. Mag. Nat. Hist., 11 (7): 168.
Norman, C.A. (1901): Pantopoda (Pycnogonoidea). - Mus.
Normanianum, pt. 2, 2nd ed.
Norman, C.A. (1908): The Podosomata (= Pycnogonida) of the
temperate Atlantic and Arctic Ocean. - J. Linn. Soc. Lond.
(Zool.), 30: 198-238.
O'Connell, G.W. (1980): Biology and systematics of the
Ammotheidae (Arthropoda: Pycnogonida). - Am. Zool., 20
(4): 786.
Oersted, A.S. (1844): De regionibus marinis. Elementa
topographiae historiconaturalis freti Öresund: 71-73;
Havniae.
Ogawa, K. & K. Matsuzaki (1985): Discovery of bivalve-infesting
Pycnogonida, Nymphonella tapetis, in a new host, Hiatella
orientalis. - Zool. Sci., 2 (4): 583-589. [bivalve host]
Ohshima, H. (1927): Nymphonella tapetis n. g., n. sp., a
pycnogon parasite in a bivalve. - Annot. Zool. Japon., 11
(3): 257-263. [bivalve host]
Ohshima, H. (1927): Notes on some pycnogons living
semiparasitic on holothurians. - Proc. Imp. Acad., Tokyo,
3 (9): 610-613. [echinoderm host]
Ohshima, H. (1927): Picnogono parazite vivanta en Bivalvo. -
Bulteno Sci. Fak. Terkult., Kyushu Imp. Univ., Tokyo, 2
(5): 366-379. [in Japanese, Esperanto summary] [bivalve
host]
Ohshima, H. (1927): Piknogonoj alkrocigantaj al Holoturioj. -
Bulteno Sci. Fak. Terkult., Kyushu Imp. Univ., Tokyo, 2
(5): 380-388. [in Japanese, Esperanto summary]
Ohshima, H. (1930): Floating Pycnogonids. - Dôbutsugaku Zasshi,
42 (495): 34-35. [in Japanese]
Ohshima, H. (1933): The adult of the bivalve-infesting
pycnogonid, Nymphonella tapetis Ohshima. - Annot. Zool.
Japon., 14 (1): 53-60. [bivalve host]
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