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Rob Buiter | all galleries >> Galleries >> Albert Hoekman en Klaas Post vangen bot in Stellendam > Schedel van een Hemisyntrachelus pisanus, een dolfijn die leek op een kruising tussen orca en tuimelaar
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18-APR-2008

Schedel van een Hemisyntrachelus pisanus, een dolfijn die leek op een kruising tussen orca en tuimelaar

Pentax K100D
1/45s f/4.0 at 31.0mm iso400 hide exif
Full EXIF Info
Date/Time18-Apr-2008 15:02:00
MakePentax
ModelPENTAX K100D
Flash UsedNo
Focal Length31 mm
Exposure Time1/45 sec
Aperturef/4
ISO Equivalent400
Exposure Bias0.50
White Balance
Metering Modecenter weighted (2)
JPEG Quality
Exposure Programprogram (2)
Focus Distance

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Guest 16-Apr-2016 16:01
At any rate, it's odd that there were two species that existed apparently millions of years apart, with one being nearly half the size of the older species. What if the epoch that Hemisyntrachelus occupied was significantly longer than previously estimated, and the one that was stated to be H. Cortesii was perhaps a juvenile? Again, and information to clear up any misunderstandings on my part would be a big help!
Guest 16-Apr-2016 15:59
I've heard that Hemisyntrachelus (at least the Piasanus species) could grow to about 16 ft. long and was something of an intermediary species between the bottlenose dolphin and orca whale...what an odd and cool combo! I'm assuming that it had a sort of dome-head with a long, strong jaw line with a shortened, and wide rostrum? Any artistic rendering would be helpful!
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