[dinosaur] Dendromaia, new varanopid synapsid with evidence of parental care from Carboniferous of Nova Scotia

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Ben [email protected]=0A=0AA new paper:=0A=0ADendromaia unamak=
iensis gen. et sp. nov.=0A=0A=0AHillary C. Maddin, Arjan Mann & Brian Heber=
t (2019)=0AVaranopid from the Carboniferous of Nova Scotia reveals evidence=
 of=0Aparental care in amniotes.=0ANature Ecology & Evolution 4: 50=E2=80=
=9356=0Adoi:10.1038/s41559-019-1030-z=0Ahttps://urldefense.proofpoint.com/v=
2/url?u=3Dhttps-3A__www.nature.com_articles_s41559-2D019-2D1030-2Dz&d=3DDwI=
FaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=3DRy_mO4IFaUmGof_Yl9M=
yZgecRCKHn5g4z1CYJgFW9SI&m=3DByhCnZsykrjVFowGDWYt2ApN489fcIeQAtk9PRcnPzs&s=
=3D8WbGi8wxbk_aVYVYflZA2vbCURihq9RxYWdkwWb1A6w&e=3D=20=0A=0A=0AHere we repo=
rt on a fossil synapsid, Dendromaia unamakiensis gen. et sp.=0Anov., from t=
he Carboniferous period of Nova Scotia that displays evidence=0Aof parental=
 care--approximately 40 million years earlier than the previous=0Aearliest =
record based on a varanopid from the Guadalupian (middle Permian)=0Aperiod =
of South Africa. The specimen, consisting of an adult and associated=0Acons=
pecific juvenile, is also identified as a varanopid suggesting parental=0Ac=
are is more deeply rooted within this clade and evolved very close to the=
=0Aorigin of Synapsida and Amniota in general. This specimen adds to growin=
g=0Aevidence that parental care was more widespread among Palaeozoic synaps=
ids=0Athan previously thought and further provides data permitting the=0Aid=
entification of potential ontogeny-dependent traits within varanopids,=0Ath=
e implications of which impact recent competing hypotheses of the=0Aphyloge=
netic affinities of the group.=0A=0ANews:=0A=0Ahttps://urldefense.proofpoin=
t.com/v2/url?u=3Dhttps-3A__newsroom.carleton.ca_story_parental-2Dbehaviour-=
2Dfossil-2Devidence_&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfn=
c_gI&r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=3DByhCnZsykrjVFowGDW=
Yt2ApN489fcIeQAtk9PRcnPzs&s=3Di5uWBdbH1GL_IO3xt8-qvkPA6Rff7RCwOmA8olKaewM&e=
=3D=20=0A=0Ahttps://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.smit=
hsonianmag.com_science-2Dnature_306-2Dmillion-2Dold-2Dfossil-2Dparental-2Dc=
are-2D180973833_&d=3DDwIFaQ&c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI=
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pN489fcIeQAtk9PRcnPzs&s=3DfdKVueuOP3pk_LggD-6OzLdFKa4CawfOQBazcq7515g&e=3D=
=20=0A=0Ahttps://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.theguar=
dian.com_science_2019_dec_23_300m-2Dyear-2Dold-2Dfossil-2Dis-2Dearly-2Dsign=
-2Dof-2Dcreatures-2Dcaring-2Dfor-2Dtheir-2Dyoung&d=3DDwIFaQ&c=3DclK7kQUTWtA=
VEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJg=
FW9SI&m=3DByhCnZsykrjVFowGDWYt2ApN489fcIeQAtk9PRcnPzs&s=3DFeRq-NNRWXU94pNqs=
Spd-khkO2G5SHoJ6JtoJXZoA18&e=3D=20=0A=0Ahttps://urldefense.proofpoint.com/v=
2/url?u=3Dhttps-3A__www.nationalgeographic.com_science_2019_12_prehistoric-=
2Dparenting-2Deven-2Dolder-2Dthan-2Dthought-2Dfossils-2Dshow_&d=3DDwIFaQ&c=
=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=3DRy_mO4IFaUmGof_Yl9MyZgec=
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<div dir=3D"ltr"><div><br></div>Ben Creisler<div><a href=3D"mailto:bcreisle=
[email protected]">[email protected]</a></div><div><br></div><div>A new paper:<=
br><div><br></div><div>Dendromaia unamakiensis gen. et sp. nov.=C2=A0</div>=
<div><br></div><div><br>Hillary C. Maddin, Arjan Mann &amp; Brian Hebert (2=
019)<br>Varanopid from the Carboniferous of Nova Scotia reveals evidence of=
 parental care in amniotes.<br>Nature Ecology &amp; Evolution 4: 50=E2=80=
=9356<br>doi:10.1038/s41559-019-1030-z<br><a href=3D"https://urldefense.pro=
ofpoint.com/v2/url?u=3Dhttps-3A__www.nature.com_articles_s41559-2D019-2D103=
0-2Dz&amp;d=3DDwMFaQ&amp;c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&am=
p;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&amp;m=3DByhCnZsykrjVFowGD=
WYt2ApN489fcIeQAtk9PRcnPzs&amp;s=3D8WbGi8wxbk_aVYVYflZA2vbCURihq9RxYWdkwWb1=
A6w&amp;e=3D">https://www.nature.com/articles/s41559-019-1030-z</a></div><d=
iv><br><br>Here we report on a fossil synapsid, Dendromaia unamakiensis gen=
. et sp. nov., from the Carboniferous period of Nova Scotia that displays e=
vidence of parental care--approximately 40=E2=80=89million years earlier th=
an the previous earliest record based on a varanopid from the Guadalupian (=
middle Permian) period of South Africa. The specimen, consisting of an adul=
t and associated conspecific juvenile, is also identified as a varanopid su=
ggesting parental care is more deeply rooted within this clade and evolved =
very close to the origin of Synapsida and Amniota in general. This specimen=
 adds to growing evidence that parental care was more widespread among Pala=
eozoic synapsids than previously thought and further provides data permitti=
ng the identification of potential ontogeny-dependent traits within varanop=
ids, the implications of which impact recent competing hypotheses of the ph=
ylogenetic affinities of the group.</div><div><br>News:</div><div><br><a hr=
ef=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__newsroom.carle=
ton.ca_story_parental-2Dbehaviour-2Dfossil-2Devidence_&amp;d=3DDwMFaQ&amp;c=
=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&amp;r=3DRy_mO4IFaUmGof_Yl9My=
ZgecRCKHn5g4z1CYJgFW9SI&amp;m=3DByhCnZsykrjVFowGDWYt2ApN489fcIeQAtk9PRcnPzs=
&amp;s=3Di5uWBdbH1GL_IO3xt8-qvkPA6Rff7RCwOmA8olKaewM&amp;e=3D">https://news=
room.carleton.ca/story/parental-behaviour-fossil-evidence/</a><br><br><a hr=
ef=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.smithsonia=
nmag.com_science-2Dnature_306-2Dmillion-2Dold-2Dfossil-2Dparental-2Dcare-2D=
180973833_&amp;d=3DDwMFaQ&amp;c=3DclK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_=
gI&amp;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&amp;m=3DByhCnZsykrjV=
FowGDWYt2ApN489fcIeQAtk9PRcnPzs&amp;s=3DfdKVueuOP3pk_LggD-6OzLdFKa4CawfOQBa=
zcq7515g&amp;e=3D">https://www.smithsonianmag.com/science-nature/306-millio=
n-old-fossil-parental-care-180973833/</a><br><br><a href=3D"https://urldefe=
nse.proofpoint.com/v2/url?u=3Dhttps-3A__www.theguardian.com_science_2019_de=
c_23_300m-2Dyear-2Dold-2Dfossil-2Dis-2Dearly-2Dsign-2Dof-2Dcreatures-2Dcari=
ng-2Dfor-2Dtheir-2Dyoung&amp;d=3DDwMFaQ&amp;c=3DclK7kQUTWtAVEOVIgvi0NU5BOUH=
hpN0H8p7CSfnc_gI&amp;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&amp;m=
=3DByhCnZsykrjVFowGDWYt2ApN489fcIeQAtk9PRcnPzs&amp;s=3DFeRq-NNRWXU94pNqsSpd=
-khkO2G5SHoJ6JtoJXZoA18&amp;e=3D">https://www.theguardian.com/science/2019/=
dec/23/300m-year-old-fossil-is-early-sign-of-creatures-caring-for-their-you=
ng</a><br><br><a href=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps=
-3A__www.nationalgeographic.com_science_2019_12_prehistoric-2Dparenting-2De=
ven-2Dolder-2Dthan-2Dthought-2Dfossils-2Dshow_&amp;d=3DDwMFaQ&amp;c=3DclK7k=
QUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&amp;r=3DRy_mO4IFaUmGof_Yl9MyZgecRCKH=
n5g4z1CYJgFW9SI&amp;m=3DByhCnZsykrjVFowGDWYt2ApN489fcIeQAtk9PRcnPzs&amp;s=
=3Duc1C3QhpM65pjz7tN6IbZvY2fsMc-mdND-rEvHkrUGo&amp;e=3D">https://www.nation=
algeographic.com/science/2019/12/prehistoric-parenting-even-older-than-thou=
ght-fossils-show/</a><br></div></div></div>=0A=

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