 The largest find of Iguanodon remains to that date occurred on 28 February 1878 in a coal mine at Bernissart in Belgium , at a depth of 322 m ( 1 @,@ 056 ft ) , when two mineworkers , Jules Créteur and Alphonse Blanchard , accidentally hit on a skeleton that they initially took for petrified wood . With the encouragement of Alphonse Briart , supervisor of mines at nearby Morlanwelz , Louis de Pauw on 15 May 1878 started to excavate the skeletons and in 1882 Louis Dollo reconstructed them . At least 38 Iguanodon individuals were uncovered , most of which were adults . In 1882 , the holotype specimen of I. bernissartensis became one of the first ever dinosaur skeletons mounted for display . It was put together in a chapel at the Palace of Charles of Lorraine using a series of adjustable ropes attached to scaffolding so that a lifelike pose could be achieved during the mounting process . This specimen , along with several others , first opened for public viewing in an inner courtyard of the palace in July 1883 . In 1891 they were moved to the Royal Museum of Natural History , where they are still on display ; nine are displayed as standing mounts , and nineteen more are still in the Museum 's basement . The exhibit makes an impressive display in the Royal Belgian Institute of Natural Sciences , in Brussels . A replica of one of these is on display at the Oxford University Museum of Natural History and at the Sedgwick Museum in Cambridge . Most of the remains were referred to a new species , I. bernissartensis , a larger and much more robust animal than the English remains had yet revealed , but one specimen was referred to the nebulous , gracile I. mantelli ( now Dollodon bampingi ) . The skeletons were some of the first complete dinosaur skeletons known . Found with the dinosaur skeletons were the remains of plants , fish , and other reptiles , including the crocodyliform Bernissartia . 
 The largest find of Iguanodon <a href='uninflect' title='1'><mark>remains</mark></a> to that date occurred on 28 February 1878 in a coal mine at Bernissart in Belgium , at a depth of 322 m ( 1 @,@ 056 ft ) , when two mineworkers , Jules Créteur and Alphonse Blanchard , accidentally hit on a skeleton <a href='null_relcl' title='2'><mark>that</mark></a>they initially took for petrified wood . With the encouragement of Alphonse Briart , supervisor of mines at nearby Morlanwelz , Louis de Pauw on 15 May 1878 started to excavate the skeletons and in 1882 Louis Dollo reconstructed them . At least 38 Iguanodon individuals <a href='uninflect' title='3'><mark>were</mark></a> uncovered , most of which <a href='uninflect' title='4'><mark>were</mark></a> adults . In 1882 , the holotype specimen of I. bernissartensis became one of the first ever dinosaur skeletons mounted for display . It was put together in a chapel at the Palace of Charles of Lorraine using a series of adjustable ropes attached to scaffolding so that a lifelike pose could be achieved during the mounting process . This specimen , along with several others , first opened for public viewing in an inner courtyard of the palace in July 1883 . In 1891 they <a href='uninflect' title='5'><mark>were</mark></a> moved to the Royal Museum of Natural History , where they <a href='drop_aux' title='6'><mark>are</mark></a>still on display ; nine are displayed as standing mounts , and nineteen more <a href='drop_aux' title='7'><mark>are</mark></a>still in the Museum <a href='null_genetive' title='8'><mark>'s</mark></a>basement . The exhibit <a href='uninflect' title='9'><mark>makes</mark></a> an impressive display in the Royal Belgian Institute of Natural Sciences , in Brussels . A replica of one of these is on display at the Oxford University Museum of Natural History and at the Sedgwick Museum in Cambridge . Most of the remains <a href='uninflect' title='10'><mark>were</mark></a> referred to a new species , I. bernissartensis , a larger and much more robust animal than the English remains <a href='been_done' title='11'><mark>had</mark></a> yet revealed , but one specimen was referred to the nebulous , gracile I. mantelli ( now Dollodon bampingi ) . The skeletons <a href='uninflect' title='12'><mark>were</mark></a> some of the first complete dinosaur skeletons known . Found with the dinosaur skeletons <a href='uninflect' title='13'><mark>were</mark></a> the remains of plants , fish , and other reptiles , including the crocodyliform Bernissartia . 
The largest find of Iguanodon remain to that date occurred on 28 February 1878 in a coal mine at Bernissart in Belgium , at a depth of 322 m ( 1 @,@ 056 ft ) , when two mineworkers , Jules Créteur and Alphonse Blanchard , accidentally hit on a skeleton they initially took fa petrified wood . With da encouragement of Alphonse Briart , supervisor of mines at nearby Morlanwelz , Louis de Pauw on 15 May 1878 started to excavate the skeletons and in 1882 Louis Dollo reconstructed them . At least 38 Iguanodon individuals was uncovered , most of which was adults . In 1882 , the holotype specimen of I. bernissartensis became one of tdafirst eva dinosaur skeletons mounted ffirdisplay . It was put together in a chapel at the Palace of Charles of Lorraine using a series of adjustable ropes attached to scaffolding soo that a lifelike pose could b achieved durin the mounting process . dis specimen , along with several others , first opened for public viewing in an inner courtyard of the palace in July 1883 . In 1891 they was moved to thdaoyal Museum of Natural History , where they still on display ; nine are displayed as standing mounts , and nineteen more still in thedaseum  basement . The exhibit make an impressive display in the Royal Belgian Institute of Natural Sciences , in Brussels . A replica of one of these is on display at the daord University Museum of Natural History and at the Sedgwick Museum in Cambridge . Most of the rdains was referred to a new species , I. bernissartensis , a larger and much more robust animal den the English remains done yet revealed , but one specimen was referred to the nedaous , gracile I. mantelli ( now Dollodon bampingi ) . The skedaons was some of the first complete dinosaur skeletons known . Found with the dinosaur skeletons was the remada of plants , fish , and other reptiles , including the crocodyliform Bernissartia .