daphmag15nwblg2r
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This uses published DNA and scaffolds of daphmag_2010nwb, and linkage map data
from these two sources for this genome assembly: 

  Duki, M., Berner, D., Roesti, M. et al. A high-density genetic map reveals variation in recombination rate across the genome of Daphnia magna . 
BMC Genet 17, 137 (2016).  https://doi.org/10.1186/s12863-016-0445-7
  Routtu et al.  An SNP-based second-generation genetic map of Daphnia magna and its application to QTL analysis of phenotypic traits
BMC Genomics 2014, 15:1033. http://www.biomedcentral.com/1471-2164/15/1033

Chromosome scaffolds are placed in the 10 linkage groups identified with this data,
using http://catchenlab.life.illinois.edu/chromonomer/ software.  
Linkage groups and Mbase size are 
 DC01 13.5, DC02 16.1, DC03 9.4, DC04 9.1, DC05 8.5,
 DC06 9.3, DC07 9.5, DC08 9.4, DC09 7.2, DC10 9.9,
This table dmag15nwblg2r_chrs.agp maps scaffolds onto DC chromosomes.
Some 20 Mb of unplaced scaffolds are including as well.
These sequences are in dmag15nwblg2r_all.fa.gz, with dmag15nwblg2r_all.facount
tabulating chromosme + unplaced scaffold sizes.

daphmag_2010nwb
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assembed size: 134 Mb, est. size 227 Mb with unassembled reads
41303 scaffolds total, largest 2.8 Mb
Published to NCBI GenBank

stats for nwbdmag24g7d:
Roche Solexa gDNA paired reads, Newbler 2013 assembler
read sizes ~700bp, pair insert sizes 500 to 20,000bp
13x coverage peakDepth, 3405 scaffolds, N50=545719, 
estimatedGenomeSize  = 227.0 MB (Newbler software est.)
64% of reads assembled
  Unassembled 36% reads:  
  Repeats= 3332814, 21.22%;      << meaningful, missing chr parts
  Singletons = 1736006, 11.05%;  << missing chromosome parts
  Partial = 562419, 3.58% 
Unassembled gDNA reads mapped to chrasm and trasm:
 transcript set: dmagset7finloc9b.gff exons
 nx=176534; exonw=303.7; sw=53630391; =~ 46% of chrasm   

NCBI Report
# Assembly Statistics Report
# Assembly name:  daphmag2.4
# Organism name:  Daphnia magna (crustaceans)
# Infraspecific name:  strain=Xinb3
# Sex:  pooled male and female
# Taxid:          35525
# BioSample:      SAMN03703141
# BioProject:     PRJNA298946
# Submitter:      Indiana University
# Date:           2016-04-26
# Assembly type:  haploid
# Release type:   major
# Assembly level: Scaffold
# Genome representation: full
# WGS project:    LRGB01
# Assembly method: Newbler v. 2.3 091027_1459
# Expected final version: no
# Genome coverage: 13.0x
# Sequencing technology: 454
# GenBank assembly accession: GCA_001632505.1
#
# Assembly-Units:
# GenBank Unit Accession	RefSeq Unit Accession	Assembly-Unit name
# GCA_001632515.1		Primary Assembly
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