Spinyfin


Spinyfins are a family, Diretmidae, of beryciform fishes. The family name is derived from the type genus, Diretmus, from Greek, di meaning "two" and eretmos meaning "oar". They are found worldwide in deep waters, as deep as.
As the common name implies, spinyfins have heavy spines along their fins. They have deep, compressed bodies, and almost vertically aligned mouths. They are dark silver in colour, and reach up to in length.

Fossil species

This family is represented in the fossil record by the extinct Absalomichthys velifer Whitley 1933 from the Late Miocene of Southern California.

Timeline


ImageSize = width:1000px height:auto barincrement:15px
PlotArea = left:10px bottom:50px top:10px right:10px
Period = from:-65.5 till:5
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:5 start:-65.5
ScaleMinor = unit:year increment:1 start:-65.5
TimeAxis = orientation:hor
AlignBars = justify
Colors =
#legends
id:CAR value:claret
id:ANK value:rgb
id:HER value:teal
id:HAD value:green
id:OMN value:blue
id:black value:black
id:white value:white
id:cenozoic value:rgb
id:paleogene value:rgb
id:paleocene value:rgb
id:eocene value:rgb
id:oligocene value:rgb
id:neogene value:rgb
id:miocene value:rgb
id:pliocene value:rgb
id:quaternary value:rgb
id:pleistocene value:rgb
id:holocene value:rgb
BarData=
bar:eratop
bar:space
bar:periodtop
bar:space
bar:NAM1
bar:space
bar:period
bar:space
bar:era
PlotData=
align:center textcolor:black fontsize:M mark: width:25
shift:

bar:periodtop
from: -65.5 till: -55.8 color:paleocene text:Paleocene
from: -55.8 till: -33.9 color:eocene text:Eocene
from: -33.9 till: -23.03 color:oligocene text:Oligocene
from: -23.03 till: -5.332 color:miocene text:Miocene
from: -5.332 till: -2.588 color:pliocene text:Plio.
from: -2.588 till: -0.0117 color:pleistocene text:Pleist.
from: -0.0117 till: 0 color:holocene text:H.
bar:eratop
from: -65.5 till: -23.03 color:paleogene text:Paleogene
from: -23.03 till: -2.588 color:neogene text:Neogene
from: -2.588 till: 0 color:quaternary text:Q.
PlotData=
align:left fontsize:M mark: width:5 anchor:till align:left
color:miocene bar:NAM1 from: -11.608 till: -5.332 text: Absalomichthys
PlotData=
align:center textcolor:black fontsize:M mark: width:25
bar:period
from: -65.5 till: -55.8 color:paleocene text:Paleocene
from: -55.8 till: -33.9 color:eocene text:Eocene
from: -33.9 till: -23.03 color:oligocene text:Oligocene
from: -23.03 till: -5.332 color:miocene text:Miocene
from: -5.332 till: -2.588 color:pliocene text:Plio.
from: -2.588 till: -0.0117 color:pleistocene text:Pleist.
from: -0.0117 till: 0 color:holocene text:H.
bar:era
from: -65.5 till: -23.03 color:paleogene text:Paleogene
from: -23.03 till: -2.588 color:neogene text:Neogene
from: -2.588 till: 0 color:quaternary text:Q.